61373715 has 32 divisors (see below), whose sum is σ = 109408320. Its totient is φ = 29170176.

The previous prime is 61373701. The next prime is 61373779. The reversal of 61373715 is 51737316.

It is not a de Polignac number, because 61373715 - 2⁴ = 61373699 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229 + ... + 11081.

It is an arithmetic number, because the mean of its divisors is an integer number (3419010).

Almost surely, 2^61373715 is an apocalyptic number.

61373715 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

61373715 is a deficient number, since it is larger than the sum of its proper divisors (48034605).

61373715 is a wasteful number, since it uses less digits than its factorization.

61373715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10903.

The product of its digits is 13230, while the sum is 33.

The square root of 61373715 is about 7834.1377955714. The cubic root of 61373715 is about 394.4519773004.

The spelling of 61373715 in words is "sixty-one million, three hundred seventy-three thousand, seven hundred fifteen".