7725650 has 48 divisors (see below), whose sum is σ = 15568200. Its totient is φ = 2841600.

The previous prime is 7725649. The next prime is 7725659. The reversal of 7725650 is 565277.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 113569 + 7612081 = 337^2 + 2759^2 .

It is a super-3 number, since 3×7725650³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (7725659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51776 + ... + 51924.

Almost surely, 2^7725650 is an apocalyptic number.

7725650 is an abundant number, since it is smaller than the sum of its proper divisors (7842550).

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

7725650 is a wasteful number, since it uses less digits than its factorization.

7725650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 7725650 is about 2779.5053516768. The cubic root of 7725650 is about 197.6871057064.

The spelling of 7725650 in words is "seven million, seven hundred twenty-five thousand, six hundred fifty".