26809974 has 16 divisors (see below), whose sum is σ = 59577840. Its totient is φ = 8936640.

The previous prime is 26809963. The next prime is 26810029. The reversal of 26809974 is 47990862.

It is a happy number.

It is a congruent number.

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, 248187 + ... + 248294.

It is an arithmetic number, because the mean of its divisors is an integer number (3723615).

Almost surely, 2^26809974 is an apocalyptic number.

26809974 is an abundant number, since it is smaller than the sum of its proper divisors (32767866).

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

26809974 is a wasteful number, since it uses less digits than its factorization.

26809974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496492 (or 496486 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 26809974 is about 5177.8348756985. The cubic root of 26809974 is about 299.2945423989.

It can be divided in two parts, 26 and 809974, that added together give a 4-th power (810000 = 30⁴).

The spelling of 26809974 in words is "twenty-six million, eight hundred nine thousand, nine hundred seventy-four".