76672320 has 56 divisors (see below), whose sum is σ = 243437664. Its totient is φ = 20445696.

The previous prime is 76672319. The next prime is 76672333. The reversal of 76672320 is 2327667.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38974 + ... + 40893.

Almost surely, 2^76672320 is an apocalyptic number.

It is an amenable number.

76672320 is an abundant number, since it is smaller than the sum of its proper divisors (166765344).

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

76672320 is a wasteful number, since it uses less digits than its factorization.

76672320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79887 (or 79877 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 76672320 is about 8756.2731798408. The cubic root of 76672320 is about 424.8277410322.

Adding to 76672320 its reverse (2327667), we get a palindrome (78999987).

The spelling of 76672320 in words is "seventy-six million, six hundred seventy-two thousand, three hundred twenty".