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76069473 = 3411314721
BaseRepresentation
bin1001000100010…
…11101001100001
312022010201200220
410202023221201
5123433210343
611314233253
71612402614
oct442135141
9168121626
1076069473
1139a37137
1221585829
13129b532c
14a16217b
156a29183
hex488ba61

76069473 has 16 divisors (see below), whose sum is σ = 104715072. Its totient is φ = 49088000.

The previous prime is 76069459. The next prime is 76069489. The reversal of 76069473 is 37496067.

It is a cyclic number.

It is not a de Polignac number, because 76069473 - 29 = 76068961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76069423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13753 + ... + 18473.

It is an arithmetic number, because the mean of its divisors is an integer number (6544692).

Almost surely, 276069473 is an apocalyptic number.

It is an amenable number.

76069473 is a deficient number, since it is larger than the sum of its proper divisors (28645599).

76069473 is a wasteful number, since it uses less digits than its factorization.

76069473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4896.

The product of its (nonzero) digits is 190512, while the sum is 42.

The square root of 76069473 is about 8721.7815267295. The cubic root of 76069473 is about 423.7113872631.

It can be divided in two parts, 7606947 and 3, that added together give a triangular number (7606950 = T3900).

The spelling of 76069473 in words is "seventy-six million, sixty-nine thousand, four hundred seventy-three".

Divisors: 1 3 41 123 131 393 4721 5371 14163 16113 193561 580683 618451 1855353 25356491 76069473