76634790 has 64 divisors (see below), whose sum is σ = 199895040. Its totient is φ = 18731520.

The previous prime is 76634783. The next prime is 76634837. The reversal of 76634790 is 9743667.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15502 + ... + 19838.

It is an arithmetic number, because the mean of its divisors is an integer number (3123360).

Almost surely, 2^76634790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76634790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99947520).

76634790 is an abundant number, since it is smaller than the sum of its proper divisors (123260250).

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

76634790 is a wasteful number, since it uses less digits than its factorization.

76634790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4397.

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

The square root of 76634790 is about 8754.1298825183. The cubic root of 76634790 is about 424.7584140259.

The spelling of 76634790 in words is "seventy-six million, six hundred thirty-four thousand, seven hundred ninety".