974770440 has 128 divisors (see below), whose sum is σ = 3419919360. Its totient is φ = 217615104.

The previous prime is 974770427. The next prime is 974770487. The reversal of 974770440 is 44077479.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 974770392 and 974770401.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22627 + ... + 49613.

It is an arithmetic number, because the mean of its divisors is an integer number (26718120).

Almost surely, 2^974770440 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 974770440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1709959680).

974770440 is an abundant number, since it is smaller than the sum of its proper divisors (2445148920).

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

974770440 is a wasteful number, since it uses less digits than its factorization.

974770440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27051 (or 27047 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 974770440 is about 31221.3138736985. The cubic root of 974770440 is about 991.5184127249.

The spelling of 974770440 in words is "nine hundred seventy-four million, seven hundred seventy thousand, four hundred forty".