7974500 has 48 divisors (see below), whose sum is σ = 17886960. Its totient is φ = 3104000.

The previous prime is 7974493. The next prime is 7974511. The reversal of 7974500 is 54797.

It can be written as a sum of positive squares in 8 ways, for example, as 5837056 + 2137444 = 2416^2 + 1462^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20306 + ... + 20694.

It is an arithmetic number, because the mean of its divisors is an integer number (372645).

Almost surely, 2^7974500 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 7974500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8943480).

7974500 is an abundant number, since it is smaller than the sum of its proper divisors (9912460).

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

7974500 is a wasteful number, since it uses less digits than its factorization.

7974500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 7974500 is about 2823.9157211220. The cubic root of 7974500 is about 199.7872738181.

The spelling of 7974500 in words is "seven million, nine hundred seventy-four thousand, five hundred".