7494224 has 10 divisors (see below), whose sum is σ = 14520090. Its totient is φ = 3747104.

The previous prime is 7494217. The next prime is 7494257. The reversal of 7494224 is 4224947.

It can be written as a sum of positive squares in only one way, i.e., 4494400 + 2999824 = 2120^2 + 1732^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234179 + ... + 234210.

It is an arithmetic number, because the mean of its divisors is an integer number (1452009).

Almost surely, 2^7494224 is an apocalyptic number.

It is an amenable number.

7494224 is a deficient number, since it is larger than the sum of its proper divisors (7025866).

7494224 is a wasteful number, since it uses less digits than its factorization.

7494224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468397 (or 468391 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 7494224 is about 2737.5580359145. The cubic root of 7494224 is about 195.6931196522.

Adding to 7494224 its sum of digits (32), we get a triangular number (7494256 = T₃₈₇₁).

The spelling of 7494224 in words is "seven million, four hundred ninety-four thousand, two hundred twenty-four".