47670864 has 40 divisors (see below), whose sum is σ = 126158592. Its totient is φ = 15502080.

The previous prime is 47670863. The next prime is 47670871. The reversal of 47670864 is 46807674.

47670864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×47670864² = 4545022549012992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47670863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10144 + ... + 14079.

Almost surely, 2^47670864 is an apocalyptic number.

It is an amenable number.

47670864 is an abundant number, since it is smaller than the sum of its proper divisors (78487728).

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

47670864 is a wasteful number, since it uses less digits than its factorization.

47670864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24275 (or 24269 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 47670864 is about 6904.4090261224. The cubic root of 47670864 is about 362.5915462803.

The spelling of 47670864 in words is "forty-seven million, six hundred seventy thousand, eight hundred sixty-four".