974547840 has 256 divisors, whose sum is σ = 3613248000. Its totient is φ = 218800128.

The previous prime is 974547811. The next prime is 974547841. The reversal of 974547840 is 48745479.

974547840 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 974547840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974547841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 792346 + ... + 793574.

It is an arithmetic number, because the mean of its divisors is an integer number (14114250).

Almost surely, 2^974547840 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 974547840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1806624000).

974547840 is an abundant number, since it is smaller than the sum of its proper divisors (2638700160).

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

974547840 is a wasteful number, since it uses less digits than its factorization.

974547840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317 (or 1305 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The square root of 974547840 is about 31217.7487977593. The cubic root of 974547840 is about 991.4429321151.

The spelling of 974547840 in words is "nine hundred seventy-four million, five hundred forty-seven thousand, eight hundred forty".