47494272 has 64 divisors (see below), whose sum is σ = 144187200. Its totient is φ = 13569024.

The previous prime is 47494267. The next prime is 47494297. The reversal of 47494272 is 27249474.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 47494272.

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, 6147 + ... + 11522.

It is an arithmetic number, because the mean of its divisors is an integer number (2252925).

Almost surely, 2^47494272 is an apocalyptic number.

47494272 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

47494272 is an abundant number, since it is smaller than the sum of its proper divisors (96692928).

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

47494272 is a wasteful number, since it uses less digits than its factorization.

47494272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17693 (or 17681 counting only the distinct ones).

The product of its digits is 112896, while the sum is 39.

The square root of 47494272 is about 6891.6088107205. The cubic root of 47494272 is about 362.1432641132.

The spelling of 47494272 in words is "forty-seven million, four hundred ninety-four thousand, two hundred seventy-two".