25972704 has 96 divisors (see below), whose sum is σ = 79107840. Its totient is φ = 8274816.

The previous prime is 25972697. The next prime is 25972729. The reversal of 25972704 is 40727952.

It is a tau number, because it is divible by the number of its divisors (96).

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 15 ways as a sum of consecutive naturals, for example, 19219 + ... + 20525.

It is an arithmetic number, because the mean of its divisors is an integer number (824040).

Almost surely, 2^25972704 is an apocalyptic number.

25972704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25972704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39553920).

25972704 is an abundant number, since it is smaller than the sum of its proper divisors (53135136).

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

25972704 is a wasteful number, since it uses less digits than its factorization.

25972704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349 (or 1335 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 25972704 is about 5096.3422177087. The cubic root of 25972704 is about 296.1458983695.

The spelling of 25972704 in words is "twenty-five million, nine hundred seventy-two thousand, seven hundred four".