61768104 has 64 divisors (see below), whose sum is σ = 158630400. Its totient is φ = 20036544.

The previous prime is 61768097. The next prime is 61768117. The reversal of 61768104 is 40186716.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171877 + ... + 172235.

It is an arithmetic number, because the mean of its divisors is an integer number (2478600).

Almost surely, 2^61768104 is an apocalyptic number.

It is an amenable number.

61768104 is an abundant number, since it is smaller than the sum of its proper divisors (96862296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61768104 is a wasteful number, since it uses less digits than its factorization.

61768104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 61768104 is about 7859.2686682668. The cubic root of 61768104 is about 395.2950932745.

The spelling of 61768104 in words is "sixty-one million, seven hundred sixty-eight thousand, one hundred four".