47751372 has 18 divisors (see below), whose sum is σ = 120704948. Its totient is φ = 15917112.

The previous prime is 47751367. The next prime is 47751383. The reversal of 47751372 is 27315774.

47751372 is a `hidden beast` number, since 4 + 77 + 513 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1326427 = 47751372 / (4 + 7 + 7 + 5 + 1 + 3 + 7 + 2).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 663178 + ... + 663249.

Almost surely, 2^47751372 is an apocalyptic number.

It is an amenable number.

47751372 is an abundant number, since it is smaller than the sum of its proper divisors (72953576).

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

47751372 is a wasteful number, since it uses less digits than its factorization.

47751372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326437 (or 1326432 counting only the distinct ones).

The product of its digits is 41160, while the sum is 36.

The square root of 47751372 is about 6910.2367542654. The cubic root of 47751372 is about 362.7955500119.

The spelling of 47751372 in words is "forty-seven million, seven hundred fifty-one thousand, three hundred seventy-two".