7723125 has 30 divisors (see below), whose sum is σ = 13950222. Its totient is φ = 4116000.

The previous prime is 7723099. The next prime is 7723127. The reversal of 7723125 is 5213277.

It can be written as a sum of positive squares in 5 ways, for example, as 848241 + 6874884 = 921^2 + 2622^2 .

It is not a de Polignac number, because 7723125 - 2¹⁵ = 7690357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7723127) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 4939 + ... + 6311.

Almost surely, 2^7723125 is an apocalyptic number.

7723125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7723125 is a deficient number, since it is larger than the sum of its proper divisors (6227097).

7723125 is a wasteful number, since it uses less digits than its factorization.

7723125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399 (or 1381 counting only the distinct ones).

The product of its digits is 2940, while the sum is 27.

The square root of 7723125 is about 2779.0510970473. The cubic root of 7723125 is about 197.6655664473.

The spelling of 7723125 in words is "seven million, seven hundred twenty-three thousand, one hundred twenty-five".