916087572 has 72 divisors (see below), whose sum is σ = 2431054080. Its totient is φ = 290482560.

The previous prime is 916087567. The next prime is 916087573. The reversal of 916087572 is 275780619.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (916087573) 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, 58888 + ... + 72800.

It is an arithmetic number, because the mean of its divisors is an integer number (33764640).

Almost surely, 2^916087572 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 916087572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1215527040).

916087572 is an abundant number, since it is smaller than the sum of its proper divisors (1514966508).

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

916087572 is a wasteful number, since it uses less digits than its factorization.

916087572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14013 (or 14008 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The square root of 916087572 is about 30266.9385964289. The cubic root of 916087572 is about 971.2081774650.

The spelling of 916087572 in words is "nine hundred sixteen million, eighty-seven thousand, five hundred seventy-two".