25970064 has 60 divisors (see below), whose sum is σ = 69446448. Its totient is φ = 8362560.

The previous prime is 25970057. The next prime is 25970069. The reversal of 25970064 is 46007952.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (25970069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45847 + ... + 46409.

Almost surely, 2^25970064 is an apocalyptic number.

25970064 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 25970064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34723224).

25970064 is an abundant number, since it is smaller than the sum of its proper divisors (43476384).

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

25970064 is a wasteful number, since it uses less digits than its factorization.

25970064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 25970064 is about 5096.0832018326. The cubic root of 25970064 is about 296.1358640958.

The spelling of 25970064 in words is "twenty-five million, nine hundred seventy thousand, sixty-four".