25673723 has 4 divisors (see below), whose sum is σ = 27183960. Its totient is φ = 24163488.

The previous prime is 25673707. The next prime is 25673737. The reversal of 25673723 is 32737652.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25673723 - 2⁴ = 25673707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25673023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755093 + ... + 755126.

It is an arithmetic number, because the mean of its divisors is an integer number (6795990).

Almost surely, 2^25673723 is an apocalyptic number.

25673723 is a deficient number, since it is larger than the sum of its proper divisors (1510237).

25673723 is a wasteful number, since it uses less digits than its factorization.

25673723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510236.

The product of its digits is 52920, while the sum is 35.

The square root of 25673723 is about 5066.9244123038. The cubic root of 25673723 is about 295.0051631769.

The spelling of 25673723 in words is "twenty-five million, six hundred seventy-three thousand, seven hundred twenty-three".