82472428 has 6 divisors (see below), whose sum is σ = 144326756. Its totient is φ = 41236212.

The previous prime is 82472381. The next prime is 82472437. The reversal of 82472428 is 82427428.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10309050 + ... + 10309057.

Almost surely, 2^82472428 is an apocalyptic number.

It is an amenable number.

82472428 is a deficient number, since it is larger than the sum of its proper divisors (61854328).

82472428 is a wasteful number, since it uses less digits than its factorization.

82472428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20618111 (or 20618109 counting only the distinct ones).

The product of its digits is 57344, while the sum is 37.

The square root of 82472428 is about 9081.4331468111. The cubic root of 82472428 is about 435.2808825822.

The spelling of 82472428 in words is "eighty-two million, four hundred seventy-two thousand, four hundred twenty-eight".