76632645 has 32 divisors (see below), whose sum is σ = 128044800. Its totient is φ = 39087104.

The previous prime is 76632641. The next prime is 76632659. The reversal of 76632645 is 54623667.

It is a cyclic number.

It is not a de Polignac number, because 76632645 - 2² = 76632641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76632641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48376 + ... + 49934.

It is an arithmetic number, because the mean of its divisors is an integer number (4001400).

Almost surely, 2^76632645 is an apocalyptic number.

It is an amenable number.

76632645 is a deficient number, since it is larger than the sum of its proper divisors (51412155).

76632645 is a wasteful number, since it uses less digits than its factorization.

76632645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709.

The product of its digits is 181440, while the sum is 39.

The square root of 76632645 is about 8754.0073680572. The cubic root of 76632645 is about 424.7544510073.

It can be divided in two parts, 76632 and 645, that added together give a palindrome (77277).

The spelling of 76632645 in words is "seventy-six million, six hundred thirty-two thousand, six hundred forty-five".