47712428 has 6 divisors (see below), whose sum is σ = 83496756. Its totient is φ = 23856212.

The previous prime is 47712409. The next prime is 47712433. The reversal of 47712428 is 82421774.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5964050 + ... + 5964057.

It is an arithmetic number, because the mean of its divisors is an integer number (13916126).

Almost surely, 2^47712428 is an apocalyptic number.

It is an amenable number.

47712428 is a deficient number, since it is larger than the sum of its proper divisors (35784328).

47712428 is a wasteful number, since it uses less digits than its factorization.

47712428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11928111 (or 11928109 counting only the distinct ones).

The product of its digits is 25088, while the sum is 35.

The square root of 47712428 is about 6907.4183310409. The cubic root of 47712428 is about 362.6968962841.

The spelling of 47712428 in words is "forty-seven million, seven hundred twelve thousand, four hundred twenty-eight".