7526664 has 24 divisors (see below), whose sum is σ = 20384910. Its totient is φ = 2508864.

The previous prime is 7526663. The next prime is 7526683. The reversal of 7526664 is 4666257.

It can be written as a sum of positive squares in only one way, i.e., 7518564 + 8100 = 2742^2 + 90^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (7526663) 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, 52197 + ... + 52340.

Almost surely, 2^7526664 is an apocalyptic number.

It is an amenable number.

7526664 is an abundant number, since it is smaller than the sum of its proper divisors (12858246).

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

7526664 is a wasteful number, since it uses less digits than its factorization.

7526664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104549 (or 104542 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 7526664 is about 2743.4766264723. The cubic root of 7526664 is about 195.9750766587.

The spelling of 7526664 in words is "seven million, five hundred twenty-six thousand, six hundred sixty-four".