61413064 has 8 divisors (see below), whose sum is σ = 115149510. Its totient is φ = 30706528.

The previous prime is 61413019. The next prime is 61413091. The reversal of 61413064 is 46031416.

It can be written as a sum of positive squares in only one way, i.e., 51236964 + 10176100 = 7158^2 + 3190^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3838309 + ... + 3838324.

Almost surely, 2^61413064 is an apocalyptic number.

It is an amenable number.

61413064 is a deficient number, since it is larger than the sum of its proper divisors (53736446).

61413064 is a wasteful number, since it uses less digits than its factorization.

61413064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7676639 (or 7676635 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 61413064 is about 7836.6487735511. The cubic root of 61413064 is about 394.5362586301.

The spelling of 61413064 in words is "sixty-one million, four hundred thirteen thousand, sixty-four".