47661375 has 32 divisors (see below), whose sum is σ = 79934400. Its totient is φ = 25219200.

The previous prime is 47661349. The next prime is 47661379. The reversal of 47661375 is 57316674.

It is not a de Polignac number, because 47661375 - 2⁵ = 47661343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47661379) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55449 + ... + 56301.

It is an arithmetic number, because the mean of its divisors is an integer number (2497950).

Almost surely, 2^47661375 is an apocalyptic number.

47661375 is a deficient number, since it is larger than the sum of its proper divisors (32273025).

47661375 is a wasteful number, since it uses less digits than its factorization.

47661375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020 (or 1010 counting only the distinct ones).

The product of its digits is 105840, while the sum is 39.

The square root of 47661375 is about 6903.7218223216. The cubic root of 47661375 is about 362.5674864444.

The spelling of 47661375 in words is "forty-seven million, six hundred sixty-one thousand, three hundred seventy-five".