47213880 has 64 divisors (see below), whose sum is σ = 161879040. Its totient is φ = 10791552.

The previous prime is 47213869. The next prime is 47213909. The reversal of 47213880 is 8831274.

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, 27264 + ... + 28943.

It is an arithmetic number, because the mean of its divisors is an integer number (2529360).

Almost surely, 2^47213880 is an apocalyptic number.

47213880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47213880 is an abundant number, since it is smaller than the sum of its proper divisors (114665160).

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

47213880 is a wasteful number, since it uses less digits than its factorization.

47213880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56228 (or 56224 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 47213880 is about 6871.2356967288. The cubic root of 47213880 is about 361.4291951493.

The spelling of 47213880 in words is "forty-seven million, two hundred thirteen thousand, eight hundred eighty".