974979720 has 512 divisors, whose sum is σ = 3919104000. Its totient is φ = 212474880.

The previous prime is 974979701. The next prime is 974979743. The reversal of 974979720 is 27979479.

It is a super-2 number, since 2×974979720² = 1901170908822556800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9111907 + ... + 9112013.

It is an arithmetic number, because the mean of its divisors is an integer number (7654500).

Almost surely, 2^974979720 is an apocalyptic number.

974979720 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 974979720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1959552000).

974979720 is an abundant number, since it is smaller than the sum of its proper divisors (2944124280).

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

974979720 is a wasteful number, since it uses less digits than its factorization.

974979720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 2000376, while the sum is 54.

The square root of 974979720 is about 31224.6652504074. The cubic root of 974979720 is about 991.5893662254.

The spelling of 974979720 in words is "nine hundred seventy-four million, nine hundred seventy-nine thousand, seven hundred twenty".