25464672 has 48 divisors (see below), whose sum is σ = 74274480. Its totient is φ = 8487936.

The previous prime is 25464667. The next prime is 25464683. The reversal of 25464672 is 27646452.

25464672 is a `hidden beast` number, since 2 + 5 + 4 + 646 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×25464672³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13873 + ... + 15600.

It is an arithmetic number, because the mean of its divisors is an integer number (1547385).

Almost surely, 2^25464672 is an apocalyptic number.

It is an amenable number.

25464672 is an abundant number, since it is smaller than the sum of its proper divisors (48809808).

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

25464672 is a wasteful number, since it uses less digits than its factorization.

25464672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29492 (or 29478 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 25464672 is about 5046.2532635610. The cubic root of 25464672 is about 294.2022764590.

The spelling of 25464672 in words is "twenty-five million, four hundred sixty-four thousand, six hundred seventy-two".