26331972 has 24 divisors (see below), whose sum is σ = 61563936. Its totient is φ = 8759808.

The previous prime is 26331959. The next prime is 26332001. The reversal of 26331972 is 27913362.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5023 + ... + 8825.

It is an arithmetic number, because the mean of its divisors is an integer number (2565164).

Almost surely, 2^26331972 is an apocalyptic number.

It is an amenable number.

26331972 is an abundant number, since it is smaller than the sum of its proper divisors (35231964).

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

26331972 is a wasteful number, since it uses less digits than its factorization.

26331972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4387 (or 4385 counting only the distinct ones).

The product of its digits is 13608, while the sum is 33.

The square root of 26331972 is about 5131.4687955789. The cubic root of 26331972 is about 297.5051318466.

The spelling of 26331972 in words is "twenty-six million, three hundred thirty-one thousand, nine hundred seventy-two".