25170772 has 12 divisors (see below), whose sum is σ = 48053376. Its totient is φ = 11441240.

The previous prime is 25170749. The next prime is 25170773. The reversal of 25170772 is 27707152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25170773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285988 + ... + 286075.

It is an arithmetic number, because the mean of its divisors is an integer number (4004448).

Almost surely, 2^25170772 is an apocalyptic number.

25170772 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25170772 is a deficient number, since it is larger than the sum of its proper divisors (22882604).

25170772 is a wasteful number, since it uses less digits than its factorization.

25170772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572078 (or 572076 counting only the distinct ones).

The product of its (nonzero) digits is 6860, while the sum is 31.

The square root of 25170772 is about 5017.0481361055. The cubic root of 25170772 is about 293.0660507205.

The spelling of 25170772 in words is "twenty-five million, one hundred seventy thousand, seven hundred seventy-two".