47251864 has 16 divisors (see below), whose sum is σ = 96651720. Its totient is φ = 21478080.

The previous prime is 47251847. The next prime is 47251877. The reversal of 47251864 is 46815274.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268389 + ... + 268564.

Almost surely, 2^47251864 is an apocalyptic number.

47251864 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

47251864 is an abundant number, since it is smaller than the sum of its proper divisors (49399856).

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

47251864 is a wasteful number, since it uses less digits than its factorization.

47251864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536970 (or 536966 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 47251864 is about 6873.9991271457. Note that the first 3 decimals coincide. The cubic root of 47251864 is about 361.5260935375.

The spelling of 47251864 in words is "forty-seven million, two hundred fifty-one thousand, eight hundred sixty-four".