61576875 has 80 divisors (see below), whose sum is σ = 118087200. Its totient is φ = 31680000.

The previous prime is 61576871. The next prime is 61576883. The reversal of 61576875 is 57867516.

61576875 is a `hidden beast` number, since 6 + 1 + 576 + 8 + 75 = 666.

It is not a de Polignac number, because 61576875 - 2² = 61576871 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 61576875.

It is not an unprimeable number, because it can be changed into a prime (61576871) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 691831 + ... + 691919.

It is an arithmetic number, because the mean of its divisors is an integer number (1476090).

Almost surely, 2^61576875 is an apocalyptic number.

61576875 is a deficient number, since it is larger than the sum of its proper divisors (56510325).

61576875 is an equidigital number, since it uses as much as digits as its factorization.

61576875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 138 counting only the distinct ones).

The product of its digits is 352800, while the sum is 45.

The square root of 61576875 is about 7847.0934109389. The cubic root of 61576875 is about 394.8867378089.

The spelling of 61576875 in words is "sixty-one million, five hundred seventy-six thousand, eight hundred seventy-five".