47251572 has 12 divisors (see below), whose sum is σ = 110253696. Its totient is φ = 15750520.

The previous prime is 47251571. The next prime is 47251573. The reversal of 47251572 is 27515274.

It is an interprime number because it is at equal distance from previous prime (47251571) and next prime (47251573).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×47251572² = 4465422112942368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47251571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1968804 + ... + 1968827.

It is an arithmetic number, because the mean of its divisors is an integer number (9187808).

Almost surely, 2^47251572 is an apocalyptic number.

It is an amenable number.

47251572 is an abundant number, since it is smaller than the sum of its proper divisors (63002124).

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

47251572 is a wasteful number, since it uses less digits than its factorization.

47251572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3937638 (or 3937636 counting only the distinct ones).

The product of its digits is 19600, while the sum is 33.

The square root of 47251572 is about 6873.9778876572. The cubic root of 47251572 is about 361.5253488344.

The spelling of 47251572 in words is "forty-seven million, two hundred fifty-one thousand, five hundred seventy-two".