25140672 has 56 divisors (see below), whose sum is σ = 73914000. Its totient is φ = 8379648.

The previous prime is 25140641. The next prime is 25140677. The reversal of 25140672 is 27604152.

25140672 is a `hidden beast` number, since 251 + 406 + 7 + 2 = 666.

It is a super-3 number, since 3×25140672³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25140677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5547 + ... + 9002.

Almost surely, 2^25140672 is an apocalyptic number.

It is an amenable number.

25140672 is an abundant number, since it is smaller than the sum of its proper divisors (48773328).

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

25140672 is a wasteful number, since it uses less digits than its factorization.

25140672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14570 (or 14554 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 25140672 is about 5014.0474668675. The cubic root of 25140672 is about 292.9491849270.

The spelling of 25140672 in words is "twenty-five million, one hundred forty thousand, six hundred seventy-two".