72300780 has 36 divisors (see below), whose sum is σ = 219312912. Its totient is φ = 19280160.

The previous prime is 72300751. The next prime is 72300797. The reversal of 72300780 is 8700327.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200656 + ... + 201015.

Almost surely, 2^72300780 is an apocalyptic number.

It is an amenable number.

72300780 is an abundant number, since it is smaller than the sum of its proper divisors (147012132).

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

72300780 is a wasteful number, since it uses less digits than its factorization.

72300780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401686 (or 401681 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 72300780 is about 8502.9865341537. The cubic root of 72300780 is about 416.5952631422.

The spelling of 72300780 in words is "seventy-two million, three hundred thousand, seven hundred eighty".