7264657 has 8 divisors (see below), whose sum is σ = 7473384. Its totient is φ = 7058688.

The previous prime is 7264651. The next prime is 7264679. The reversal of 7264657 is 7564627.

It can be written as a sum of positive squares in 4 ways, for example, as 87616 + 7177041 = 296^2 + 2679^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7264657 - 2¹¹ = 7262609 is a prime.

It is a d-powerful number, because it can be written as 7⁷ + 2¹⁷ + 6² + 4⁹ + 6⁷ + 5⁵ + 7⁸ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7264651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5383 + ... + 6595.

It is an arithmetic number, because the mean of its divisors is an integer number (934173).

Almost surely, 2^7264657 is an apocalyptic number.

It is an amenable number.

7264657 is a deficient number, since it is larger than the sum of its proper divisors (208727).

7264657 is a wasteful number, since it uses less digits than its factorization.

7264657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379.

The product of its digits is 70560, while the sum is 37.

The square root of 7264657 is about 2695.3027659245. The cubic root of 7264657 is about 193.6741705340.

It can be divided in two parts, 7264 and 657, that added together give a square (7921 = 89²).

The spelling of 7264657 in words is "seven million, two hundred sixty-four thousand, six hundred fifty-seven".