47452428 has 36 divisors (see below), whose sum is σ = 121402008. Its totient is φ = 15625920.

The previous prime is 47452417. The next prime is 47452441. The reversal of 47452428 is 82425474.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 47452392 and 47452401.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4953 + ... + 10928.

It is an arithmetic number, because the mean of its divisors is an integer number (3372278).

Almost surely, 2^47452428 is an apocalyptic number.

It is an amenable number.

47452428 is an abundant number, since it is smaller than the sum of its proper divisors (73949580).

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

47452428 is a wasteful number, since it uses less digits than its factorization.

47452428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15974 (or 15969 counting only the distinct ones).

The product of its digits is 71680, while the sum is 36.

The square root of 47452428 is about 6888.5722758784. The cubic root of 47452428 is about 362.0368795287.

It can be divided in two parts, 474524 and 28, that added together give a cube (474552 = 78³).

The spelling of 47452428 in words is "forty-seven million, four hundred fifty-two thousand, four hundred twenty-eight".