26972997 has 16 divisors (see below), whose sum is σ = 38404608. Its totient is φ = 16798320.

The previous prime is 26972983. The next prime is 26973029. The reversal of 26972997 is 79927962.

It is not a de Polignac number, because 26972997 - 2¹¹ = 26970949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26972917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1579 + ... + 7512.

It is an arithmetic number, because the mean of its divisors is an integer number (2400288).

Almost surely, 2^26972997 is an apocalyptic number.

It is an amenable number.

26972997 is a deficient number, since it is larger than the sum of its proper divisors (11431611).

26972997 is a wasteful number, since it uses less digits than its factorization.

26972997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9160.

The product of its digits is 857304, while the sum is 51.

The square root of 26972997 is about 5193.5534078317. The cubic root of 26972997 is about 299.8999555296.

The spelling of 26972997 in words is "twenty-six million, nine hundred seventy-two thousand, nine hundred ninety-seven".