7445264 has 30 divisors (see below), whose sum is σ = 15236190. Its totient is φ = 3523968.

The previous prime is 7445237. The next prime is 7445279. The reversal of 7445264 is 4625447.

It can be written as a sum of positive squares in only one way, i.e., 7075600 + 369664 = 2660^2 + 608^2 .

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 self number, because there is not a number n which added to its sum of digits gives 7445264.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5132 + ... + 6420.

It is an arithmetic number, because the mean of its divisors is an integer number (507873).

Almost surely, 2^7445264 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 7445264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7618095).

7445264 is an abundant number, since it is smaller than the sum of its proper divisors (7790926).

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

7445264 is a wasteful number, since it uses less digits than its factorization.

7445264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335 (or 1310 counting only the distinct ones).

The product of its digits is 26880, while the sum is 32.

The square root of 7445264 is about 2728.6011067945. The cubic root of 7445264 is about 195.2660318125.

The spelling of 7445264 in words is "seven million, four hundred forty-five thousand, two hundred sixty-four".