61312625732 has 24 divisors (see below), whose sum is σ = 109069894080. Its totient is φ = 30149926560.

The previous prime is 61312625713. The next prime is 61312625749. The reversal of 61312625732 is 23752621316.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3487019 + ... + 3504557.

It is an arithmetic number, because the mean of its divisors is an integer number (4544578920).

Almost surely, 2^61312625732 is an apocalyptic number.

It is an amenable number.

61312625732 is a deficient number, since it is larger than the sum of its proper divisors (47757268348).

61312625732 is a wasteful number, since it uses less digits than its factorization.

61312625732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31931 (or 31929 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The spelling of 61312625732 in words is "sixty-one billion, three hundred twelve million, six hundred twenty-five thousand, seven hundred thirty-two".