61272763700 has 36 divisors (see below), whose sum is σ = 139959896160. Its totient is φ = 23219151840.

The previous prime is 61272763679. The next prime is 61272763771. The reversal of 61272763700 is 736727216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16122512 + ... + 16126311.

Almost surely, 2^61272763700 is an apocalyptic number.

It is an amenable number.

61272763700 is an abundant number, since it is smaller than the sum of its proper divisors (78687132460).

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

61272763700 is a wasteful number, since it uses less digits than its factorization.

61272763700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32248856 (or 32248849 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 41.

The spelling of 61272763700 in words is "sixty-one billion, two hundred seventy-two million, seven hundred sixty-three thousand, seven hundred".