25970616 has 72 divisors (see below), whose sum is σ = 80740920. Its totient is φ = 7387488.

The previous prime is 25970603. The next prime is 25970629. The reversal of 25970616 is 61607952.

25970616 is a `hidden beast` number, since 2 + 597 + 0 + 61 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (25970603) and next prime (25970629).

It is a tau number, because it is divible by the number of its divisors (72).

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 17 ways as a sum of consecutive naturals, for example, 114295 + ... + 114521.

Almost surely, 2^25970616 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 25970616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40370460).

25970616 is an abundant number, since it is smaller than the sum of its proper divisors (54770304).

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

25970616 is a wasteful number, since it uses less digits than its factorization.

25970616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 25970616 is about 5096.1373607861. The cubic root of 25970616 is about 296.1379622274.

The spelling of 25970616 in words is "twenty-five million, nine hundred seventy thousand, six hundred sixteen".