47997572 has 48 divisors (see below), whose sum is σ = 102359040. Its totient is φ = 19235232.

The previous prime is 47997571. The next prime is 47997583. The reversal of 47997572 is 27579974.

It is a self number, because there is not a number n which added to its sum of digits gives 47997572.

It is not an unprimeable number, because it can be changed into a prime (47997571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43613 + ... + 44699.

It is an arithmetic number, because the mean of its divisors is an integer number (2132480).

Almost surely, 2^47997572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47997572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51179520).

47997572 is an abundant number, since it is smaller than the sum of its proper divisors (54361468).

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

47997572 is a wasteful number, since it uses less digits than its factorization.

47997572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200 (or 1198 counting only the distinct ones).

The product of its digits is 1111320, while the sum is 50.

The square root of 47997572 is about 6928.0280022529. The cubic root of 47997572 is about 363.4179907287.

The spelling of 47997572 in words is "forty-seven million, nine hundred ninety-seven thousand, five hundred seventy-two".