61486074732 has 54 divisors (see below), whose sum is σ = 146681265388. Its totient is φ = 20046115888.

The previous prime is 61486074721. The next prime is 61486074751. The reversal of 61486074732 is 23747068416.

It is a happy number.

61486074732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 40370923 + ... + 40372445.

Almost surely, 2^61486074732 is an apocalyptic number.

It is an amenable number.

61486074732 is an abundant number, since it is smaller than the sum of its proper divisors (85195190656).

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

61486074732 is an equidigital number, since it uses as much as digits as its factorization.

61486074732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3147 (or 1575 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 48.

Multiplying 61486074732 by its sum of digits (48), we get a square (2951331587136 = 1717944²).

The spelling of 61486074732 in words is "sixty-one billion, four hundred eighty-six million, seventy-four thousand, seven hundred thirty-two".