6723925 has 24 divisors (see below), whose sum is σ = 9515016. Its totient is φ = 4669440.

The previous prime is 6723917. The next prime is 6723949. The reversal of 6723925 is 5293276.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 2566404 + 4157521 = 1602^2 + 2039^2 .

It is not a de Polignac number, because 6723925 - 2³ = 6723917 is a prime.

It is a super-2 number, since 2×6723925² = 90422334811250, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4917 + ... + 6133.

It is an arithmetic number, because the mean of its divisors is an integer number (396459).

Almost surely, 2^6723925 is an apocalyptic number.

6723925 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6723925 is a deficient number, since it is larger than the sum of its proper divisors (2791091).

6723925 is a wasteful number, since it uses less digits than its factorization.

6723925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257 (or 1252 counting only the distinct ones).

The product of its digits is 22680, while the sum is 34.

The square root of 6723925 is about 2593.0532196621. The cubic root of 6723925 is about 188.7444920399.

The spelling of 6723925 in words is "six million, seven hundred twenty-three thousand, nine hundred twenty-five".