61607532270740 has 48 divisors (see below), whose sum is σ = 136727641552320. Its totient is φ = 23253000192000.

The previous prime is 61607532270679. The next prime is 61607532270743. The reversal of 61607532270740 is 4707223570616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61607532270743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322862957 + ... + 323053716.

It is an arithmetic number, because the mean of its divisors is an integer number (2848492532340).

Almost surely, 2^{61607532270740} is an apocalyptic number.

It is an amenable number.

61607532270740 is an abundant number, since it is smaller than the sum of its proper divisors (75120109281580).

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

61607532270740 is a wasteful number, since it uses less digits than its factorization.

61607532270740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645916952 (or 645916950 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 50.

The spelling of 61607532270740 in words is "sixty-one trillion, six hundred seven billion, five hundred thirty-two million, two hundred seventy thousand, seven hundred forty".