73906785980 has 48 divisors (see below), whose sum is σ = 158170791744. Its totient is φ = 28997928960.

The previous prime is 73906785977. The next prime is 73906786039. The reversal of 73906785980 is 8958760937.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7831865 + ... + 7841295.

It is an arithmetic number, because the mean of its divisors is an integer number (3295224828).

Almost surely, 2^73906785980 is an apocalyptic number.

It is an amenable number.

73906785980 is an abundant number, since it is smaller than the sum of its proper divisors (84264005764).

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

73906785980 is a wasteful number, since it uses less digits than its factorization.

73906785980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16886 (or 16884 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 62.

The spelling of 73906785980 in words is "seventy-three billion, nine hundred six million, seven hundred eighty-five thousand, nine hundred eighty".