26992972 has 12 divisors (see below), whose sum is σ = 48038760. Its totient is φ = 13267616.

The previous prime is 26992969. The next prime is 26993003. The reversal of 26992972 is 27929962.

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 3 ways as a sum of consecutive naturals, for example, 56953 + ... + 57424.

It is an arithmetic number, because the mean of its divisors is an integer number (4003230).

Almost surely, 2^26992972 is an apocalyptic number.

It is an amenable number.

26992972 is a deficient number, since it is larger than the sum of its proper divisors (21045788).

26992972 is a wasteful number, since it uses less digits than its factorization.

26992972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114440 (or 114438 counting only the distinct ones).

The product of its digits is 244944, while the sum is 46.

The square root of 26992972 is about 5195.4761090780. The cubic root of 26992972 is about 299.9739681116.

It can be divided in two parts, 2699 and 2972, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 26992972 in words is "twenty-six million, nine hundred ninety-two thousand, nine hundred seventy-two".