47472320 has 56 divisors (see below), whose sum is σ = 129198624. Its totient is φ = 16275456.

The previous prime is 47472319. The next prime is 47472343. The reversal of 47472320 is 2327474.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8357 + ... + 12836.

Almost surely, 2^47472320 is an apocalyptic number.

47472320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47472320 is an abundant number, since it is smaller than the sum of its proper divisors (81726304).

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

47472320 is a wasteful number, since it uses less digits than its factorization.

47472320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21217 (or 21207 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 47472320 is about 6890.0159651484. The cubic root of 47472320 is about 362.0874609344.

Adding to 47472320 its reverse (2327474), we get a palindrome (49799794).

The spelling of 47472320 in words is "forty-seven million, four hundred seventy-two thousand, three hundred twenty".