61392875 has 16 divisors (see below), whose sum is σ = 77600640. Its totient is φ = 48484800.

The previous prime is 61392871. The next prime is 61392907. The reversal of 61392875 is 57829316.

It is not a de Polignac number, because 61392875 - 2² = 61392871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61392871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6767 + ... + 12983.

It is an arithmetic number, because the mean of its divisors is an integer number (4850040).

Almost surely, 2^61392875 is an apocalyptic number.

61392875 is a deficient number, since it is larger than the sum of its proper divisors (16207765).

61392875 is an equidigital number, since it uses as much as digits as its factorization.

61392875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6311 (or 6301 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 61392875 is about 7835.3605532866. The cubic root of 61392875 is about 394.4930204600.

The spelling of 61392875 in words is "sixty-one million, three hundred ninety-two thousand, eight hundred seventy-five".