47428904 has 16 divisors (see below), whose sum is σ = 89036820. Its totient is φ = 23685760.

The previous prime is 47428897. The next prime is 47428933. The reversal of 47428904 is 40982474.

47428904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42276004 + 5152900 = 6502^2 + 2270^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4514 + ... + 10734.

Almost surely, 2^47428904 is an apocalyptic number.

It is an amenable number.

47428904 is a deficient number, since it is larger than the sum of its proper divisors (41607916).

47428904 is a wasteful number, since it uses less digits than its factorization.

47428904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7180 (or 7176 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 47428904 is about 6886.8645986399. The cubic root of 47428904 is about 361.9770444221.

The spelling of 47428904 in words is "forty-seven million, four hundred twenty-eight thousand, nine hundred four".