7648725 has 48 divisors (see below), whose sum is σ = 15320448. Its totient is φ = 3287040.

The previous prime is 7648703. The next prime is 7648727. The reversal of 7648725 is 5278467.

It is not a de Polignac number, because 7648725 - 2¹⁰ = 7647701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7648727) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8497 + ... + 9353.

It is an arithmetic number, because the mean of its divisors is an integer number (319176).

Almost surely, 2^7648725 is an apocalyptic number.

7648725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7648725 is an abundant number, since it is smaller than the sum of its proper divisors (7671723).

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

7648725 is a wasteful number, since it uses less digits than its factorization.

7648725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 889 counting only the distinct ones).

The product of its digits is 94080, while the sum is 39.

The square root of 7648725 is about 2765.6328389719. The cubic root of 7648725 is about 197.0287863661.

The spelling of 7648725 in words is "seven million, six hundred forty-eight thousand, seven hundred twenty-five".