61320630700 has 72 divisors (see below), whose sum is σ = 152111451744. Its totient is φ = 21019200000.

The previous prime is 61320630659. The next prime is 61320630713. The reversal of 61320630700 is 703602316.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4053150 + ... + 4068250.

It is an arithmetic number, because the mean of its divisors is an integer number (2112659052).

Almost surely, 2^61320630700 is an apocalyptic number.

It is an amenable number.

61320630700 is an abundant number, since it is smaller than the sum of its proper divisors (90790821044).

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

61320630700 is a wasteful number, since it uses less digits than its factorization.

61320630700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20923 (or 20916 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 28.

The spelling of 61320630700 in words is "sixty-one billion, three hundred twenty million, six hundred thirty thousand, seven hundred".