7825722 has 16 divisors (see below), whose sum is σ = 16074912. Its totient is φ = 2538000.

The previous prime is 7825717. The next prime is 7825723. The reversal of 7825722 is 2275287.

It is a super-2 number, since 2×7825722² = 122483849642568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7825723) 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, 17404 + ... + 17847.

It is an arithmetic number, because the mean of its divisors is an integer number (1004682).

Almost surely, 2^7825722 is an apocalyptic number.

7825722 is an abundant number, since it is smaller than the sum of its proper divisors (8249190).

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

7825722 is a wasteful number, since it uses less digits than its factorization.

7825722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35293.

The product of its digits is 15680, while the sum is 33.

The square root of 7825722 is about 2797.4491952491. The cubic root of 7825722 is about 198.5370076952.

The spelling of 7825722 in words is "seven million, eight hundred twenty-five thousand, seven hundred twenty-two".