76904531 has 8 divisors (see below), whose sum is σ = 84727728. Its totient is φ = 69220000.

The previous prime is 76904507. The next prime is 76904557. The reversal of 76904531 is 13540967.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76904531 is a prime.

It is a super-2 number, since 2×76904531² = 11828613776659922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76904491 and 76904500.

It is not an unprimeable number, because it can be changed into a prime (76900531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33500 + ... + 35721.

It is an arithmetic number, because the mean of its divisors is an integer number (10590966).

Almost surely, 2^76904531 is an apocalyptic number.

76904531 is a deficient number, since it is larger than the sum of its proper divisors (7823197).

76904531 is a wasteful number, since it uses less digits than its factorization.

76904531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69333.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 76904531 is about 8769.5228490494. The cubic root of 76904531 is about 425.2561887917.

It can be divided in two parts, 7690 and 4531, that added together give a palindrome (12221).

The spelling of 76904531 in words is "seventy-six million, nine hundred four thousand, five hundred thirty-one".