974220768 has 144 divisors (see below), whose sum is σ = 2951466336. Its totient is φ = 303759360.

The previous prime is 974220733. The next prime is 974220781. The reversal of 974220768 is 867022479.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×974220768² = 1898212209605019648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 944413 + ... + 945443.

It is an arithmetic number, because the mean of its divisors is an integer number (20496294).

Almost surely, 2^974220768 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 974220768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1475733168).

974220768 is an abundant number, since it is smaller than the sum of its proper divisors (1977245568).

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

974220768 is a wasteful number, since it uses less digits than its factorization.

974220768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257 (or 1246 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 974220768 is about 31212.5097997582. The cubic root of 974220768 is about 991.3320056276.

The spelling of 974220768 in words is "nine hundred seventy-four million, two hundred twenty thousand, seven hundred sixty-eight".