47561715 has 16 divisors (see below), whose sum is σ = 84554400. Its totient is φ = 25366176.

The previous prime is 47561707. The next prime is 47561743. The reversal of 47561715 is 51716574.

It is not a de Polignac number, because 47561715 - 2³ = 47561707 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 47561715.

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, 176020 + ... + 176289.

It is an arithmetic number, because the mean of its divisors is an integer number (5284650).

Almost surely, 2^47561715 is an apocalyptic number.

47561715 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

47561715 is a deficient number, since it is larger than the sum of its proper divisors (36992685).

47561715 is a wasteful number, since it uses less digits than its factorization.

47561715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352323 (or 352317 counting only the distinct ones).

The product of its digits is 29400, while the sum is 36.

The square root of 47561715 is about 6896.5001993765. The cubic root of 47561715 is about 362.3146003982.

The spelling of 47561715 in words is "forty-seven million, five hundred sixty-one thousand, seven hundred fifteen".