872747320 has 32 divisors (see below), whose sum is σ = 2011579920. Its totient is φ = 340583680.

The previous prime is 872747303. The next prime is 872747321. The reversal of 872747320 is 23747278.

It is a super-3 number, since 3×872747320³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872747321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264442 + ... + 267721.

Almost surely, 2^872747320 is an apocalyptic number.

It is an amenable number.

872747320 is an abundant number, since it is smaller than the sum of its proper divisors (1138832600).

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

872747320 is a wasteful number, since it uses less digits than its factorization.

872747320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532215 (or 532211 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 872747320 is about 29542.2971347863. The cubic root of 872747320 is about 955.6440818370.

The spelling of 872747320 in words is "eight hundred seventy-two million, seven hundred forty-seven thousand, three hundred twenty".