7264544 has 72 divisors (see below), whose sum is σ = 17193708. Its totient is φ = 3010560.

The previous prime is 7264531. The next prime is 7264553. The reversal of 7264544 is 4454627.

7264544 = T₃₃₅ + T₃₃₆ + ... + T₄₃₂.

7264544 is nontrivially palindromic in base 13.

It can be written as a sum of positive squares in 2 ways, for example, as 4892944 + 2371600 = 2212^2 + 1540^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 7264544.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64232 + ... + 64344.

Almost surely, 2^7264544 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 7264544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8596854).

7264544 is an abundant number, since it is smaller than the sum of its proper divisors (9929164).

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

7264544 is a wasteful number, since it uses less digits than its factorization.

7264544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 163 counting only the distinct ones).

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

The square root of 7264544 is about 2695.2818034484. The cubic root of 7264544 is about 193.6731663437.

The spelling of 7264544 in words is "seven million, two hundred sixty-four thousand, five hundred forty-four".