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76000068 = 22322972797
BaseRepresentation
bin1001000011110…
…10101101000100
312022000012111100
410201322231010
5123424000233
611312540100
71611663354
oct441725504
9168005440
1076000068
1139999a81
1221551630
131298c871
14a144b64
156a13813
hex487ab44

76000068 has 36 divisors (see below), whose sum is σ = 198738540. Its totient is φ = 24459456.

The previous prime is 76000063. The next prime is 76000069. The reversal of 76000068 is 86000067.

It can be written as a sum of positive squares in 2 ways, for example, as 42614784 + 33385284 = 6528^2 + 5778^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (76000063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35355 + ... + 37442.

It is an arithmetic number, because the mean of its divisors is an integer number (5520515).

Almost surely, 276000068 is an apocalyptic number.

It is an amenable number.

76000068 is an abundant number, since it is smaller than the sum of its proper divisors (122738472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76000068 is a wasteful number, since it uses less digits than its factorization.

76000068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72836 (or 72831 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 76000068 is about 8717.8017871480. The cubic root of 76000068 is about 423.5824847570.

Subtracting 76000068 from its reverse (86000067), we obtain a palindrome (9999999).

The spelling of 76000068 in words is "seventy-six million, sixty-eight", and thus it is an aban number and an uban number.

Divisors: 1 2 3 4 6 9 12 18 29 36 58 87 116 174 261 348 522 1044 72797 145594 218391 291188 436782 655173 873564 1310346 2111113 2620692 4222226 6333339 8444452 12666678 19000017 25333356 38000034 76000068