872291472 has 120 divisors (see below), whose sum is σ = 2455092864. Its totient is φ = 266752512.

The previous prime is 872291443. The next prime is 872291477. The reversal of 872291472 is 274192278.

It is not an unprimeable number, because it can be changed into a prime (872291477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2376633 + ... + 2376999.

Almost surely, 2^872291472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 872291472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1227546432).

872291472 is an abundant number, since it is smaller than the sum of its proper divisors (1582801392).

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

872291472 is a wasteful number, since it uses less digits than its factorization.

872291472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 678 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 872291472 is about 29534.5809518266. The cubic root of 872291472 is about 955.4776708188.

The spelling of 872291472 in words is "eight hundred seventy-two million, two hundred ninety-one thousand, four hundred seventy-two".