7725500 has 24 divisors (see below), whose sum is σ = 16873584. Its totient is φ = 3090000.

The previous prime is 7725469. The next prime is 7725503. The reversal of 7725500 is 55277.

It is a d-powerful number, because it can be written as 7⁴ + 7⁸ + 2¹¹ + 5⁵ + 5⁹ + 0 + 0 .

It is a self number, because there is not a number n which added to its sum of digits gives 7725500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7725503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7226 + ... + 8225.

It is an arithmetic number, because the mean of its divisors is an integer number (703066).

Almost surely, 2^7725500 is an apocalyptic number.

It is an amenable number.

7725500 is an abundant number, since it is smaller than the sum of its proper divisors (9148084).

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

7725500 is a wasteful number, since it uses less digits than its factorization.

7725500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15470 (or 15458 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 26.

The square root of 7725500 is about 2779.4783683274. The cubic root of 7725500 is about 197.6858262776.

The spelling of 7725500 in words is "seven million, seven hundred twenty-five thousand, five hundred".