47976824 has 64 divisors (see below), whose sum is σ = 109996800. Its totient is φ = 19160064.

The previous prime is 47976811. The next prime is 47976869. The reversal of 47976824 is 42867974.

It is a super-2 number, since 2×47976824² = 4603551282253952, which contains 22 as substring.

Its product of digits (677376) is a multiple of the sum of its prime divisors (768).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70952 + ... + 71624.

It is an arithmetic number, because the mean of its divisors is an integer number (1718700).

Almost surely, 2^47976824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47976824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54998400).

47976824 is an abundant number, since it is smaller than the sum of its proper divisors (62019976).

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

47976824 is a wasteful number, since it uses less digits than its factorization.

47976824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772 (or 768 counting only the distinct ones).

The product of its digits is 677376, while the sum is 47.

The square root of 47976824 is about 6926.5304446021. The cubic root of 47976824 is about 363.3656180572.

The spelling of 47976824 in words is "forty-seven million, nine hundred seventy-six thousand, eight hundred twenty-four".