72786700 has 36 divisors (see below), whose sum is σ = 180512752. Its totient is φ = 24955200.

The previous prime is 72786683. The next prime is 72786719. The reversal of 72786700 is 768727.

It is a self number, because there is not a number n which added to its sum of digits gives 72786700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51291 + ... + 52690.

Almost surely, 2^72786700 is an apocalyptic number.

72786700 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

72786700 is an abundant number, since it is smaller than the sum of its proper divisors (107726052).

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

72786700 is a wasteful number, since it uses less digits than its factorization.

72786700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104002 (or 103995 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 72786700 is about 8531.5121754587. The cubic root of 72786700 is about 417.5264663442.

The spelling of 72786700 in words is "seventy-two million, seven hundred eighty-six thousand, seven hundred".