974429780 has 48 divisors (see below), whose sum is σ = 2152933776. Its totient is φ = 369976320.

The previous prime is 974429779. The next prime is 974429791. The reversal of 974429780 is 87924479.

It can be written as a sum of positive squares in 8 ways, for example, as 191213584 + 783216196 = 13828^2 + 27986^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14282 + ... + 46398.

It is an arithmetic number, because the mean of its divisors is an integer number (44852787).

Almost surely, 2^974429780 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 974429780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1076466888).

974429780 is an abundant number, since it is smaller than the sum of its proper divisors (1178503996).

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

974429780 is a wasteful number, since it uses less digits than its factorization.

974429780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32204 (or 32202 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 974429780 is about 31215.8578289945. The cubic root of 974429780 is about 991.4028949222.

The spelling of 974429780 in words is "nine hundred seventy-four million, four hundred twenty-nine thousand, seven hundred eighty".