7258664 has 24 divisors (see below), whose sum is σ = 15832890. Its totient is φ = 3110688.

The previous prime is 7258661. The next prime is 7258673. The reversal of 7258664 is 4668527.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6708100 + 550564 = 2590^2 + 742^2 .

It is not an unprimeable number, because it can be changed into a prime (7258661) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8867 + ... + 9650.

Almost surely, 2^7258664 is an apocalyptic number.

It is an amenable number.

7258664 is an abundant number, since it is smaller than the sum of its proper divisors (8574226).

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

7258664 is a wasteful number, since it uses less digits than its factorization.

7258664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18537 (or 18526 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 7258664 is about 2694.1907876021. The cubic root of 7258664 is about 193.6208985249.

The spelling of 7258664 in words is "seven million, two hundred fifty-eight thousand, six hundred sixty-four".