7258864 has 20 divisors (see below), whose sum is σ = 14891904. Its totient is φ = 3415808.

The previous prime is 7258861. The next prime is 7258871. The reversal of 7258864 is 4688527.

It is a super-2 number, since 2×7258864² = 105382213140992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7258861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13072 + ... + 13615.

Almost surely, 2^7258864 is an apocalyptic number.

It is an amenable number.

7258864 is an abundant number, since it is smaller than the sum of its proper divisors (7633040).

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

7258864 is a wasteful number, since it uses less digits than its factorization.

7258864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26712 (or 26706 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 7258864 is about 2694.2279042427. The cubic root of 7258864 is about 193.6226768055.

The spelling of 7258864 in words is "seven million, two hundred fifty-eight thousand, eight hundred sixty-four".