61730521232 has 40 divisors (see below), whose sum is σ = 120233530752. Its totient is φ = 30702672000.

The previous prime is 61730521217. The next prime is 61730521253. The reversal of 61730521232 is 23212503716.

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, 8628857 + ... + 8636007.

Almost surely, 2^61730521232 is an apocalyptic number.

It is an amenable number.

61730521232 is a deficient number, since it is larger than the sum of its proper divisors (58503009520).

61730521232 is a wasteful number, since it uses less digits than its factorization.

61730521232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9927 (or 9921 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 61730521232 in words is "sixty-one billion, seven hundred thirty million, five hundred twenty-one thousand, two hundred thirty-two".