47730924 has 24 divisors (see below), whose sum is σ = 123747120. Its totient is φ = 15910272.

The previous prime is 47730923. The next prime is 47730961. The reversal of 47730924 is 42903774.

It is a super-2 number, since 2×47730924² = 4556482211787552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (47730923) 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, 220869 + ... + 221084.

It is an arithmetic number, because the mean of its divisors is an integer number (5156130).

Almost surely, 2^47730924 is an apocalyptic number.

It is an amenable number.

47730924 is an abundant number, since it is smaller than the sum of its proper divisors (76016196).

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

47730924 is a wasteful number, since it uses less digits than its factorization.

47730924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441966 (or 441958 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 47730924 is about 6908.7570517424. The cubic root of 47730924 is about 362.7437574159.

The spelling of 47730924 in words is "forty-seven million, seven hundred thirty thousand, nine hundred twenty-four".