47232840 has 64 divisors (see below), whose sum is σ = 146280960. Its totient is φ = 12188160.

The previous prime is 47232839. The next prime is 47232883. The reversal of 47232840 is 4823274.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 47232798 and 47232807.

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, 2629 + ... + 10068.

It is an arithmetic number, because the mean of its divisors is an integer number (2285640).

Almost surely, 2^47232840 is an apocalyptic number.

47232840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47232840 is an abundant number, since it is smaller than the sum of its proper divisors (99048120).

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

47232840 is a wasteful number, since it uses less digits than its factorization.

47232840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12742 (or 12738 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 47232840 is about 6872.6152227518. The cubic root of 47232840 is about 361.4775692041.

The spelling of 47232840 in words is "forty-seven million, two hundred thirty-two thousand, eight hundred forty".