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74084087 = 711962131
BaseRepresentation
bin1000110101001…
…10111011110111
312011101212021002
410122212323313
5122431142322
611203513515
71556463410
oct432467367
9164355232
1074084087
1138900520
122098889b
131246b74c
149ba6807
156785c92
hex46a6ef7

74084087 has 8 divisors (see below), whose sum is σ = 92364672. Its totient is φ = 57727800.

The previous prime is 74084077. The next prime is 74084093. The reversal of 74084087 is 78048047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74084087 - 24 = 74084071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74084087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74084077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480989 + ... + 481142.

It is an arithmetic number, because the mean of its divisors is an integer number (11545584).

Almost surely, 274084087 is an apocalyptic number.

74084087 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

74084087 is a deficient number, since it is larger than the sum of its proper divisors (18280585).

74084087 is a wasteful number, since it uses less digits than its factorization.

74084087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962149.

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 74084087 is about 8607.2113370127. The cubic root of 74084087 is about 419.9926056899.

The spelling of 74084087 in words is "seventy-four million, eighty-four thousand, eighty-seven".

Divisors: 1 7 11 77 962131 6734917 10583441 74084087