974544340 has 72 divisors (see below), whose sum is σ = 2597126112. Its totient is φ = 303750720.

The previous prime is 974544331. The next prime is 974544349. The reversal of 974544340 is 43445479.

It is an interprime number because it is at equal distance from previous prime (974544331) and next prime (974544349).

It is a junction number, because it is equal to n+sod(n) for n = 974544293 and 974544302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974544349) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34422 + ... + 55981.

It is an arithmetic number, because the mean of its divisors is an integer number (36071196).

Almost surely, 2^974544340 is an apocalyptic number.

It is an amenable number.

974544340 is an abundant number, since it is smaller than the sum of its proper divisors (1622581772).

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

974544340 is a wasteful number, since it uses less digits than its factorization.

974544340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90437 (or 90428 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 974544340 is about 31217.6927398551. The cubic root of 974544340 is about 991.4417452213.

The spelling of 974544340 in words is "nine hundred seventy-four million, five hundred forty-four thousand, three hundred forty".