61760997 has 6 divisors (see below), whose sum is σ = 89210342. Its totient is φ = 41173992.

The previous prime is 61760977. The next prime is 61761013. The reversal of 61760997 is 79906716.

It can be written as a sum of positive squares in only one way, i.e., 43046721 + 18714276 = 6561^2 + 4326^2 .

It is not a de Polignac number, because 61760997 - 2⁷ = 61760869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61760977) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3431158 + ... + 3431175.

Almost surely, 2^61760997 is an apocalyptic number.

It is an amenable number.

61760997 is a deficient number, since it is larger than the sum of its proper divisors (27449345).

61760997 is a wasteful number, since it uses less digits than its factorization.

61760997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6862339 (or 6862336 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 61760997 is about 7858.8165139542. The cubic root of 61760997 is about 395.2799318897.

The spelling of 61760997 in words is "sixty-one million, seven hundred sixty thousand, nine hundred ninety-seven".