7626625 has 32 divisors (see below), whose sum is σ = 10456992. Its totient is φ = 5529600.

The previous prime is 7626613. The next prime is 7626629. The reversal of 7626625 is 5266267.

7626625 = 231² + 232² + ... + 327².

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 2782224 + 4844401 = 1668^2 + 2201^2 .

It is not a de Polignac number, because 7626625 - 2¹¹ = 7624577 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7626629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78577 + ... + 78673.

It is an arithmetic number, because the mean of its divisors is an integer number (326781).

Almost surely, 2^7626625 is an apocalyptic number.

It is an amenable number.

7626625 is a deficient number, since it is larger than the sum of its proper divisors (2830367).

7626625 is a wasteful number, since it uses less digits than its factorization.

7626625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 156 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 7626625 is about 2761.6344797963. The cubic root of 7626625 is about 196.8388402558.

The spelling of 7626625 in words is "seven million, six hundred twenty-six thousand, six hundred twenty-five".