47472744 has 32 divisors (see below), whose sum is σ = 129471840. Its totient is φ = 14385600.

The previous prime is 47472709. The next prime is 47472751. The reversal of 47472744 is 44727474.

It is a super-2 number, since 2×47472744² = 4507322845779072, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89647 + ... + 90174.

It is an arithmetic number, because the mean of its divisors is an integer number (4045995).

Almost surely, 2^47472744 is an apocalyptic number.

47472744 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

47472744 is an abundant number, since it is smaller than the sum of its proper divisors (81999096).

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

47472744 is a wasteful number, since it uses less digits than its factorization.

47472744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179841 (or 179837 counting only the distinct ones).

The product of its digits is 175616, while the sum is 39.

The square root of 47472744 is about 6890.0467342392. The cubic root of 47472744 is about 362.0885389284.

The spelling of 47472744 in words is "forty-seven million, four hundred seventy-two thousand, seven hundred forty-four".