61761275 has 6 divisors (see below), whose sum is σ = 76584012. Its totient is φ = 49409000.

The previous prime is 61761263. The next prime is 61761299. The reversal of 61761275 is 57216716.

It is not a de Polignac number, because 61761275 - 2²⁰ = 60712699 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1235201 + ... + 1235250.

It is an arithmetic number, because the mean of its divisors is an integer number (12764002).

Almost surely, 2^61761275 is an apocalyptic number.

61761275 is a deficient number, since it is larger than the sum of its proper divisors (14822737).

61761275 is a wasteful number, since it uses less digits than its factorization.

61761275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470461 (or 2470456 counting only the distinct ones).

The product of its digits is 17640, while the sum is 35.

The square root of 61761275 is about 7858.8342010759. The cubic root of 61761275 is about 395.2805249698.

The spelling of 61761275 in words is "sixty-one million, seven hundred sixty-one thousand, two hundred seventy-five".