82272408 has 32 divisors (see below), whose sum is σ = 209056560. Its totient is φ = 26974080.

The previous prime is 82272353. The next prime is 82272427. The reversal of 82272408 is 80427228.

It is a congruent number.

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, 26635 + ... + 29562.

Almost surely, 2^82272408 is an apocalyptic number.

It is an amenable number.

82272408 is an abundant number, since it is smaller than the sum of its proper divisors (126784152).

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

82272408 is a wasteful number, since it uses less digits than its factorization.

82272408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56267 (or 56263 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 82272408 is about 9070.4138825083. The cubic root of 82272408 is about 434.9287028082.

The spelling of 82272408 in words is "eighty-two million, two hundred seventy-two thousand, four hundred eight".