61679704 has 16 divisors (see below), whose sum is σ = 117832320. Its totient is φ = 30257760.

The previous prime is 61679701. The next prime is 61679711. The reversal of 61679704 is 40797616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61679701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72312 + ... + 73159.

It is an arithmetic number, because the mean of its divisors is an integer number (7364520).

Almost surely, 2^61679704 is an apocalyptic number.

It is an amenable number.

61679704 is a deficient number, since it is larger than the sum of its proper divisors (56152616).

61679704 is a wasteful number, since it uses less digits than its factorization.

61679704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145530 (or 145526 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 61679704 is about 7853.6427216929. The cubic root of 61679704 is about 395.1064264846.

The spelling of 61679704 in words is "sixty-one million, six hundred seventy-nine thousand, seven hundred four".