974780 has 48 divisors (see below), whose sum is σ = 2249856. Its totient is φ = 353280.

The previous prime is 974773. The next prime is 974803. The reversal of 974780 is 87479.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 974780.

It is a congruent number.

It is an unprimeable number.

974780 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15950 + ... + 16010.

It is an arithmetic number, because the mean of its divisors is an integer number (46872).

2⁹⁷⁴⁷⁸⁰ 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 974780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1124928).

974780 is an abundant number, since it is smaller than the sum of its proper divisors (1275076).

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

974780 is a wasteful number, since it uses less digits than its factorization.

974780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 974780 is about 987.3094752913. The cubic root of 974780 is about 99.1521654132.

The spelling of 974780 in words is "nine hundred seventy-four thousand, seven hundred eighty".