72765678000 has 160 divisors (see below), whose sum is σ = 248396690880. Its totient is φ = 18262732800.

The previous prime is 72765677977. The next prime is 72765678001. The reversal of 72765678000 is 87656727.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (72765678001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254695 + ... + 458694.

It is an arithmetic number, because the mean of its divisors is an integer number (1552479318).

Almost surely, 2^72765678000 is an apocalyptic number.

It is an amenable number.

72765678000 is an abundant number, since it is smaller than the sum of its proper divisors (175631012880).

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

72765678000 is a wasteful number, since it uses less digits than its factorization.

72765678000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713432 (or 713416 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 48.

The spelling of 72765678000 in words is "seventy-two billion, seven hundred sixty-five million, six hundred seventy-eight thousand".