61560705 has 16 divisors (see below), whose sum is σ = 99371520. Its totient is φ = 32540928.

The previous prime is 61560701. The next prime is 61560713. The reversal of 61560705 is 50706516.

It is not a de Polignac number, because 61560705 - 2² = 61560701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61560701) 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, 16465 + ... + 19854.

It is an arithmetic number, because the mean of its divisors is an integer number (6210720).

Almost surely, 2^61560705 is an apocalyptic number.

It is an amenable number.

61560705 is a deficient number, since it is larger than the sum of its proper divisors (37810815).

61560705 is a wasteful number, since it uses less digits than its factorization.

61560705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36440.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 61560705 is about 7846.0630254925. The cubic root of 61560705 is about 394.8521692171.

The spelling of 61560705 in words is "sixty-one million, five hundred sixty thousand, seven hundred five".