47131392 has 144 divisors (see below), whose sum is σ = 156586752. Its totient is φ = 12226560.

The previous prime is 47131387. The next prime is 47131411. The reversal of 47131392 is 29313174.

It is a super-2 number, since 2×47131392² = 4442736223715328, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 58738 + ... + 59534.

It is an arithmetic number, because the mean of its divisors is an integer number (1087408).

Almost surely, 2^47131392 is an apocalyptic number.

47131392 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47131392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78293376).

47131392 is an abundant number, since it is smaller than the sum of its proper divisors (109455360).

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

47131392 is a wasteful number, since it uses less digits than its factorization.

47131392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834 (or 820 counting only the distinct ones).

The product of its digits is 4536, while the sum is 30.

The square root of 47131392 is about 6865.2306589072. The cubic root of 47131392 is about 361.2185865254.

It can be divided in two parts, 4713 and 1392, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 47131392 in words is "forty-seven million, one hundred thirty-one thousand, three hundred ninety-two".