25073632 has 48 divisors (see below), whose sum is σ = 52390800. Its totient is φ = 11791360.

The previous prime is 25073617. The next prime is 25073639. The reversal of 25073632 is 23637052.

It is a self number, because there is not a number n which added to its sum of digits gives 25073632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25073639) 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, 37719 + ... + 38377.

It is an arithmetic number, because the mean of its divisors is an integer number (1091475).

Almost surely, 2^25073632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25073632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26195400).

25073632 is an abundant number, since it is smaller than the sum of its proper divisors (27317168).

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

25073632 is a wasteful number, since it uses less digits than its factorization.

25073632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739 (or 731 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 25073632 is about 5007.3577862981. The cubic root of 25073632 is about 292.6885608148.

The spelling of 25073632 in words is "twenty-five million, seventy-three thousand, six hundred thirty-two".