76572228 has 24 divisors (see below), whose sum is σ = 178810240. Its totient is φ = 25503840.

The previous prime is 76572211. The next prime is 76572253. The reversal of 76572228 is 82227567.

It is a super-2 number, since 2×76572228² = 11726612201767968, which contains 22 as substring.

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, 27333 + ... + 30003.

Almost surely, 2^76572228 is an apocalyptic number.

It is an amenable number.

76572228 is an abundant number, since it is smaller than the sum of its proper divisors (102238012).

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

76572228 is a wasteful number, since it uses less digits than its factorization.

76572228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5067 (or 5065 counting only the distinct ones).

The product of its digits is 94080, while the sum is 39.

The square root of 76572228 is about 8750.5558680578. Note that the first 3 decimals coincide. The cubic root of 76572228 is about 424.6427965173.

The spelling of 76572228 in words is "seventy-six million, five hundred seventy-two thousand, two hundred twenty-eight".