47724528 has 40 divisors (see below), whose sum is σ = 123541200. Its totient is φ = 15875584.

The previous prime is 47724527. The next prime is 47724529. The reversal of 47724528 is 82542774.

It is an interprime number because it is at equal distance from previous prime (47724527) and next prime (47724529).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47724527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38218 + ... + 39446.

It is an arithmetic number, because the mean of its divisors is an integer number (3088530).

Almost surely, 2^47724528 is an apocalyptic number.

47724528 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

47724528 is an abundant number, since it is smaller than the sum of its proper divisors (75816672).

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

47724528 is a wasteful number, since it uses less digits than its factorization.

47724528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049 (or 2043 counting only the distinct ones).

The product of its digits is 125440, while the sum is 39.

The square root of 47724528 is about 6908.2941454457. The cubic root of 47724528 is about 362.7275539953.

The spelling of 47724528 in words is "forty-seven million, seven hundred twenty-four thousand, five hundred twenty-eight".