72786958040 has 32 divisors (see below), whose sum is σ = 163972665360. Its totient is φ = 29078870400.

The previous prime is 72786958037. The next prime is 72786958061. The reversal of 72786958040 is 4085968727.

It is a congruent number.

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, 1089431 + ... + 1154310.

Almost surely, 2^72786958040 is an apocalyptic number.

It is an amenable number.

72786958040 is an abundant number, since it is smaller than the sum of its proper divisors (91185707320).

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

72786958040 is a wasteful number, since it uses less digits than its factorization.

72786958040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244563 (or 2244559 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 56.

The spelling of 72786958040 in words is "seventy-two billion, seven hundred eighty-six million, nine hundred fifty-eight thousand, forty".