974726478 has 48 divisors (see below), whose sum is σ = 2308715136. Its totient is φ = 294754320.

The previous prime is 974726447. The next prime is 974726479. The reversal of 974726478 is 874627479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974726479) 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, 94701 + ... + 104487.

It is an arithmetic number, because the mean of its divisors is an integer number (48098232).

Almost surely, 2^974726478 is an apocalyptic number.

974726478 is an abundant number, since it is smaller than the sum of its proper divisors (1333988658).

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

974726478 is a wasteful number, since it uses less digits than its factorization.

974726478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10309 (or 10306 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 54.

The square root of 974726478 is about 31220.6098274842. The cubic root of 974726478 is about 991.5035067238.

The spelling of 974726478 in words is "nine hundred seventy-four million, seven hundred twenty-six thousand, four hundred seventy-eight".