61059904 has 28 divisors (see below), whose sum is σ = 121427748. Its totient is φ = 30464000.

The previous prime is 61059893. The next prime is 61059907. The reversal of 61059904 is 40995016.

It can be written as a sum of positive squares in 2 ways, for example, as 31899904 + 29160000 = 5648^2 + 5400^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 61059904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61059907) 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, 44184 + ... + 45544.

Almost surely, 2^61059904 is an apocalyptic number.

61059904 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

61059904 is a deficient number, since it is larger than the sum of its proper divisors (60367844).

61059904 is a wasteful number, since it uses less digits than its factorization.

61059904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074 (or 2064 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 61059904 is about 7814.0836954822. The cubic root of 61059904 is about 393.7785351286.

The spelling of 61059904 in words is "sixty-one million, fifty-nine thousand, nine hundred four".