61413574032 has 50 divisors (see below), whose sum is σ = 177748704518. Its totient is φ = 20471190912.

The previous prime is 61413573997. The next prime is 61413574037. The reversal of 61413574032 is 23047531416.

61413574032 is a `hidden beast` number, since 614 + 1 + 3 + 5 + 7 + 4 + 0 + 32 = 666.

It can be written as a sum of positive squares in only one way, i.e., 38508567696 + 22905006336 = 196236^2 + 151344^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (61413574037) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 23692213 + ... + 23694804.

Almost surely, 2^61413574032 is an apocalyptic number.

It is an amenable number.

61413574032 is an abundant number, since it is smaller than the sum of its proper divisors (116335130486).

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

61413574032 is a wasteful number, since it uses less digits than its factorization.

61413574032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47387037 (or 47387022 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 61413574032 in words is "sixty-one billion, four hundred thirteen million, five hundred seventy-four thousand, thirty-two".