47902472 has 12 divisors (see below), whose sum is σ = 89853855. Its totient is φ = 23941448.

The previous prime is 47902469. The next prime is 47902483. The reversal of 47902472 is 27420974.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 23951236 + 23951236 = 4894^2 + 4894^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=4894.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 18353 + ... + 20799.

Almost surely, 2^47902472 is an apocalyptic number.

It is an amenable number.

47902472 is a deficient number, since it is larger than the sum of its proper divisors (41951383).

47902472 is an frugal number, since it uses more digits than its factorization.

47902472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4900 (or 2449 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 47902472 is about 6921.1611742539. The cubic root of 47902472 is about 363.1778125941.

The spelling of 47902472 in words is "forty-seven million, nine hundred two thousand, four hundred seventy-two".