7725732 has 48 divisors (see below), whose sum is σ = 21033600. Its totient is φ = 2206176.

The previous prime is 7725713. The next prime is 7725733. The reversal of 7725732 is 2375277.

It is a junction number, because it is equal to n+sod(n) for n = 7725693 and 7725702.

It is not an unprimeable number, because it can be changed into a prime (7725733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3178 + ... + 5054.

It is an arithmetic number, because the mean of its divisors is an integer number (438200).

Almost surely, 2^7725732 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 7725732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10516800).

7725732 is an abundant number, since it is smaller than the sum of its proper divisors (13307868).

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

7725732 is a wasteful number, since it uses less digits than its factorization.

7725732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905 (or 1889 counting only the distinct ones).

The product of its digits is 20580, while the sum is 33.

The square root of 7725732 is about 2779.5201024637. The cubic root of 7725732 is about 197.6878051205.

The spelling of 7725732 in words is "seven million, seven hundred twenty-five thousand, seven hundred thirty-two".