7625664 has 70 divisors (see below), whose sum is σ = 22620224. Its totient is φ = 2540160.

The previous prime is 7625621. The next prime is 7625677. The reversal of 7625664 is 4665267.

7625664 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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 9 ways as a sum of consecutive naturals, for example, 4449 + ... + 5919.

Almost surely, 2^7625664 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 7625664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11310112).

7625664 is an abundant number, since it is smaller than the sum of its proper divisors (14994560).

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

7625664 is a wasteful number, since it uses less digits than its factorization.

7625664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495 (or 1476 counting only the distinct ones).

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

The square root of 7625664 is about 2761.4604831502. The cubic root of 7625664 is about 196.8305722879.

The spelling of 7625664 in words is "seven million, six hundred twenty-five thousand, six hundred sixty-four".