26972642 has 16 divisors (see below), whose sum is σ = 43752960. Its totient is φ = 12422208.

The previous prime is 26972633. The next prime is 26972669. The reversal of 26972642 is 24627962.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 26972596 and 26972605.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6842 + ... + 10037.

It is an arithmetic number, because the mean of its divisors is an integer number (2734560).

Almost surely, 2^26972642 is an apocalyptic number.

26972642 is a deficient number, since it is larger than the sum of its proper divisors (16780318).

26972642 is a wasteful number, since it uses less digits than its factorization.

26972642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16945.

The product of its digits is 72576, while the sum is 38.

The square root of 26972642 is about 5193.5192307336. The cubic root of 26972642 is about 299.8986398317.

The spelling of 26972642 in words is "twenty-six million, nine hundred seventy-two thousand, six hundred forty-two".