920715072 has 112 divisors (see below), whose sum is σ = 2603235840. Its totient is φ = 286336512.

The previous prime is 920715071. The next prime is 920715083. The reversal of 920715072 is 270517029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920715071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242533 + ... + 246299.

Almost surely, 2^920715072 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 920715072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1301617920).

920715072 is an abundant number, since it is smaller than the sum of its proper divisors (1682520768).

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

920715072 is a wasteful number, since it uses less digits than its factorization.

920715072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3868 (or 3858 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 920715072 is about 30343.2870994558. The cubic root of 920715072 is about 972.8407432223.

The spelling of 920715072 in words is "nine hundred twenty million, seven hundred fifteen thousand, seventy-two".