76801631 has 8 divisors (see below), whose sum is σ = 82534320. Its totient is φ = 71203968.

The previous prime is 76801607. The next prime is 76801633. The reversal of 76801631 is 13610867.

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

It is a cyclic number.

It is not a de Polignac number, because 76801631 - 2⁶ = 76801567 is a prime.

It is a super-2 number, since 2×76801631² = 11796981048520322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76801633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32576 + ... + 34853.

It is an arithmetic number, because the mean of its divisors is an integer number (10316790).

Almost surely, 2^76801631 is an apocalyptic number.

76801631 is a deficient number, since it is larger than the sum of its proper divisors (5732689).

76801631 is a wasteful number, since it uses less digits than its factorization.

76801631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67513.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 76801631 is about 8763.6539753689. The cubic root of 76801631 is about 425.0664366728.

The spelling of 76801631 in words is "seventy-six million, eight hundred one thousand, six hundred thirty-one".