974873718 has 288 divisors, whose sum is σ = 2844301824. Its totient is φ = 247883328.

The previous prime is 974873701. The next prime is 974873797. The reversal of 974873718 is 817378479.

974873718 is a `hidden beast` number, since 97 + 487 + 3 + 71 + 8 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 14550321 + ... + 14550387.

It is an arithmetic number, because the mean of its divisors is an integer number (9876048).

Almost surely, 2^974873718 is an apocalyptic number.

974873718 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 974873718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1422150912).

974873718 is an abundant number, since it is smaller than the sum of its proper divisors (1869428106).

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

974873718 is a wasteful number, since it uses less digits than its factorization.

974873718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 139 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 54.

The square root of 974873718 is about 31222.9677961593. The cubic root of 974873718 is about 991.5534289769.

The spelling of 974873718 in words is "nine hundred seventy-four million, eight hundred seventy-three thousand, seven hundred eighteen".