7491152 has 20 divisors (see below), whose sum is σ = 15368436. Its totient is φ = 3525120.

The previous prime is 7491137. The next prime is 7491161. The reversal of 7491152 is 2511947.

It can be written as a sum of positive squares in 2 ways, for example, as 4477456 + 3013696 = 2116^2 + 1736^2 .

It is a super-2 number, since 2×7491152² = 112234716574208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13499 + ... + 14042.

Almost surely, 2^7491152 is an apocalyptic number.

It is an amenable number.

7491152 is an abundant number, since it is smaller than the sum of its proper divisors (7877284).

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

7491152 is a wasteful number, since it uses less digits than its factorization.

7491152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27566 (or 27560 counting only the distinct ones).

The product of its digits is 2520, while the sum is 29.

The square root of 7491152 is about 2736.9968944082. The cubic root of 7491152 is about 195.6663767711. Note that the first 3 decimals are identical.

The spelling of 7491152 in words is "seven million, four hundred ninety-one thousand, one hundred fifty-two".