47397252 has 48 divisors (see below), whose sum is σ = 130757760. Its totient is φ = 13074432.

The previous prime is 47397247. The next prime is 47397263. The reversal of 47397252 is 25279374.

It is a self number, because there is not a number n which added to its sum of digits gives 47397252.

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, 7293 + ... + 12164.

It is an arithmetic number, because the mean of its divisors is an integer number (2724120).

Almost surely, 2^47397252 is an apocalyptic number.

47397252 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

47397252 is an abundant number, since it is smaller than the sum of its proper divisors (83360508).

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

47397252 is a wasteful number, since it uses less digits than its factorization.

47397252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19500 (or 19498 counting only the distinct ones).

The product of its digits is 105840, while the sum is 39.

The square root of 47397252 is about 6884.5662172718. The cubic root of 47397252 is about 361.8965038930.

The spelling of 47397252 in words is "forty-seven million, three hundred ninety-seven thousand, two hundred fifty-two".