7374224 has 60 divisors (see below), whose sum is σ = 16970268. Its totient is φ = 3083520.

The previous prime is 7374197. The next prime is 7374247. The reversal of 7374224 is 4224737.

It can be written as a sum of positive squares in 2 ways, for example, as 4276624 + 3097600 = 2068^2 + 1760^2 .

It is an Ulam number.

Its product of digits (9408) is a multiple of the sum of its prime factors (336).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25022 + ... + 25314.

Almost surely, 2^7374224 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 7374224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8485134).

7374224 is an abundant number, since it is smaller than the sum of its proper divisors (9596044).

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

7374224 is a wasteful number, since it uses less digits than its factorization.

7374224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 319 counting only the distinct ones).

The product of its digits is 9408, while the sum is 29.

The square root of 7374224 is about 2715.5522458609. The cubic root of 7374224 is about 194.6429935142.

The spelling of 7374224 in words is "seven million, three hundred seventy-four thousand, two hundred twenty-four".