26972990 has 16 divisors (see below), whose sum is σ = 52965360. Its totient is φ = 9808320.

The previous prime is 26972983. The next prime is 26973029. The reversal of 26972990 is 9927962.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122495 + ... + 122714.

It is an arithmetic number, because the mean of its divisors is an integer number (3310335).

Almost surely, 2^26972990 is an apocalyptic number.

26972990 is a deficient number, since it is larger than the sum of its proper divisors (25992370).

26972990 is a wasteful number, since it uses less digits than its factorization.

26972990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245227.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 26972990 is about 5193.5527339192. The cubic root of 26972990 is about 299.8999295864.

The spelling of 26972990 in words is "twenty-six million, nine hundred seventy-two thousand, nine hundred ninety".