25329672 has 40 divisors (see below), whose sum is σ = 70948350. Its totient is φ = 8443008.

The previous prime is 25329671. The next prime is 25329713. The reversal of 25329672 is 27692352.

It can be written as a sum of positive squares in only one way, i.e., 23097636 + 2232036 = 4806^2 + 1494^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25329671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 18897 + ... + 20192.

Almost surely, 2^25329672 is an apocalyptic number.

It is an amenable number.

25329672 is an abundant number, since it is smaller than the sum of its proper divisors (45618678).

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

25329672 is a wasteful number, since it uses less digits than its factorization.

25329672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39107 (or 39094 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 25329672 is about 5032.8592271193. The cubic root of 25329672 is about 293.6814542341.

The spelling of 25329672 in words is "twenty-five million, three hundred twenty-nine thousand, six hundred seventy-two".