76734690 has 16 divisors (see below), whose sum is σ = 184163328. Its totient is φ = 20462576.

The previous prime is 76734629. The next prime is 76734701. The reversal of 76734690 is 9643767.

It is a super-2 number, since 2×76734690² = 11776425298792200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1278882 + ... + 1278941.

It is an arithmetic number, because the mean of its divisors is an integer number (11510208).

Almost surely, 2^76734690 is an apocalyptic number.

76734690 is an abundant number, since it is smaller than the sum of its proper divisors (107428638).

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

76734690 is a wasteful number, since it uses less digits than its factorization.

76734690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557833.

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

The square root of 76734690 is about 8759.8339025349. The cubic root of 76734690 is about 424.9429035177.

The spelling of 76734690 in words is "seventy-six million, seven hundred thirty-four thousand, six hundred ninety".