26820772 has 24 divisors (see below), whose sum is σ = 51367680. Its totient is φ = 12152160.

The previous prime is 26820767. The next prime is 26820779. The reversal of 26820772 is 27702862.

It is not an unprimeable number, because it can be changed into a prime (26820779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16333 + ... + 17899.

It is an arithmetic number, because the mean of its divisors is an integer number (2140320).

Almost surely, 2^26820772 is an apocalyptic number.

26820772 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

26820772 is a deficient number, since it is larger than the sum of its proper divisors (24546908).

26820772 is a wasteful number, since it uses less digits than its factorization.

26820772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971 (or 1969 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 26820772 is about 5178.8774845520. The cubic root of 26820772 is about 299.3347183509.

The spelling of 26820772 in words is "twenty-six million, eight hundred twenty thousand, seven hundred seventy-two".