974138792 has 48 divisors (see below), whose sum is σ = 2059084800. Its totient is φ = 428469600.

The previous prime is 974138771. The next prime is 974138801. The reversal of 974138792 is 297831479.

It is a self number, because there is not a number n which added to its sum of digits gives 974138792.

It is a congruent number.

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, 78809 + ... + 90327.

It is an arithmetic number, because the mean of its divisors is an integer number (42897600).

Almost surely, 2^974138792 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 974138792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1029542400).

974138792 is an abundant number, since it is smaller than the sum of its proper divisors (1084946008).

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

974138792 is a wasteful number, since it uses less digits than its factorization.

974138792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11598 (or 11563 counting only the distinct ones).

The product of its digits is 762048, while the sum is 50.

The square root of 974138792 is about 31211.1965807144. The cubic root of 974138792 is about 991.3041995715.

It can be divided in two parts, 9741387 and 92, that added together give a palindrome (9741479).

The spelling of 974138792 in words is "nine hundred seventy-four million, one hundred thirty-eight thousand, seven hundred ninety-two".