76646364 has 24 divisors (see below), whose sum is σ = 179561088. Its totient is φ = 25446000.

The previous prime is 76646363. The next prime is 76646371. The reversal of 76646364 is 46364667.

It is a super-2 number, since 2×76646364² = 11749330228840992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76646363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9712 + ... + 15735.

It is an arithmetic number, because the mean of its divisors is an integer number (7481712).

Almost surely, 2^76646364 is an apocalyptic number.

It is an amenable number.

76646364 is an abundant number, since it is smaller than the sum of its proper divisors (102914724).

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

76646364 is a wasteful number, since it uses less digits than its factorization.

76646364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25705 (or 25703 counting only the distinct ones).

The product of its digits is 435456, while the sum is 42.

The square root of 76646364 is about 8754.7909169780. The cubic root of 76646364 is about 424.7797964225.

It can be divided in two parts, 7664 and 6364, that added together give a triangular number (14028 = T₁₆₇).

The spelling of 76646364 in words is "seventy-six million, six hundred forty-six thousand, three hundred sixty-four".