25040772 has 24 divisors (see below), whose sum is σ = 64920800. Its totient is φ = 8346888.

The previous prime is 25040759. The next prime is 25040789. The reversal of 25040772 is 27704052.

25040772 is a `hidden beast` number, since 250 + 407 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115822 + ... + 116037.

Almost surely, 2^25040772 is an apocalyptic number.

It is an amenable number.

25040772 is an abundant number, since it is smaller than the sum of its proper divisors (39880028).

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

25040772 is a wasteful number, since it uses less digits than its factorization.

25040772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231872 (or 231864 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 25040772 is about 5004.0755389982. The cubic root of 25040772 is about 292.5606448876.

The spelling of 25040772 in words is "twenty-five million, forty thousand, seven hundred seventy-two".