26904972 has 24 divisors (see below), whose sum is σ = 63108976. Its totient is φ = 8921088.

The previous prime is 26904959. The next prime is 26905037. The reversal of 26904972 is 27940962.

It is a self number, because there is not a number n which added to its sum of digits gives 26904972.

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, 3493 + ... + 8124.

Almost surely, 2^26904972 is an apocalyptic number.

It is an amenable number.

26904972 is an abundant number, since it is smaller than the sum of its proper divisors (36204004).

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

26904972 is a wasteful number, since it uses less digits than its factorization.

26904972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11817 (or 11815 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 26904972 is about 5187.0002891845. Note that the first 3 decimals coincide. The cubic root of 26904972 is about 299.6476307261.

The spelling of 26904972 in words is "twenty-six million, nine hundred four thousand, nine hundred seventy-two".