61788874 has 32 divisors (see below), whose sum is σ = 113195520. Its totient is φ = 24705648.

The previous prime is 61788869. The next prime is 61788889. The reversal of 61788874 is 47888716.

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, 16089 + ... + 19555.

It is an arithmetic number, because the mean of its divisors is an integer number (3537360).

Almost surely, 2^61788874 is an apocalyptic number.

61788874 is a deficient number, since it is larger than the sum of its proper divisors (51406646).

61788874 is a wasteful number, since it uses less digits than its factorization.

61788874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3562.

The product of its digits is 602112, while the sum is 49.

The square root of 61788874 is about 7860.5899269711. The cubic root of 61788874 is about 395.3393953143.

The spelling of 61788874 in words is "sixty-one million, seven hundred eighty-eight thousand, eight hundred seventy-four".