47292420 has 48 divisors (see below), whose sum is σ = 151337088. Its totient is φ = 10809600.

The previous prime is 47292407. The next prime is 47292467. The reversal of 47292420 is 2429274.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55881 + ... + 56720.

It is an arithmetic number, because the mean of its divisors is an integer number (3152856).

Almost surely, 2^47292420 is an apocalyptic number.

It is an amenable number.

47292420 is an abundant number, since it is smaller than the sum of its proper divisors (104044668).

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

47292420 is a wasteful number, since it uses less digits than its factorization.

47292420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112620 (or 112618 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 47292420 is about 6876.9484511664. The cubic root of 47292420 is about 361.6294958743.

The spelling of 47292420 in words is "forty-seven million, two hundred ninety-two thousand, four hundred twenty".