26985725 has 24 divisors (see below), whose sum is σ = 36893472. Its totient is φ = 19454400.

The previous prime is 26985709. The next prime is 26985731. The reversal of 26985725 is 52758962.

It is not a de Polignac number, because 26985725 - 2⁴ = 26985709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13010 + ... + 14940.

It is an arithmetic number, because the mean of its divisors is an integer number (1537228).

Almost surely, 2^26985725 is an apocalyptic number.

26985725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26985725 is a deficient number, since it is larger than the sum of its proper divisors (9907747).

26985725 is a wasteful number, since it uses less digits than its factorization.

26985725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997 (or 1992 counting only the distinct ones).

The product of its digits is 302400, while the sum is 44.

The square root of 26985725 is about 5194.7786285847. The cubic root of 26985725 is about 299.9471203093.

The spelling of 26985725 in words is "twenty-six million, nine hundred eighty-five thousand, seven hundred twenty-five".