76945290 has 16 divisors (see below), whose sum is σ = 184668768. Its totient is φ = 20518736.

The previous prime is 76945283. The next prime is 76945303. The reversal of 76945290 is 9254967.

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 alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1282392 + ... + 1282451.

It is an arithmetic number, because the mean of its divisors is an integer number (11541798).

Almost surely, 2^76945290 is an apocalyptic number.

76945290 is an abundant number, since it is smaller than the sum of its proper divisors (107723478).

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

76945290 is a wasteful number, since it uses less digits than its factorization.

76945290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564853.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 76945290 is about 8771.8464418844. The cubic root of 76945290 is about 425.3313033766.

The spelling of 76945290 in words is "seventy-six million, nine hundred forty-five thousand, two hundred ninety".