7491264 has 56 divisors (see below), whose sum is σ = 21628608. Its totient is φ = 2269440.

The previous prime is 7491259. The next prime is 7491269. The reversal of 7491264 is 4621947.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7491259) and next prime (7491269).

It is a super-2 number, since 2×7491264² = 112238072635392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (7491269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339 + ... + 3885.

Almost surely, 2^7491264 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 7491264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10814304).

7491264 is an abundant number, since it is smaller than the sum of its proper divisors (14137344).

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

7491264 is a wasteful number, since it uses less digits than its factorization.

7491264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3573 (or 3563 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 7491264 is about 2737.0173547130. The cubic root of 7491264 is about 195.6673519003.

The spelling of 7491264 in words is "seven million, four hundred ninety-one thousand, two hundred sixty-four".