26780972 has 12 divisors (see below), whose sum is σ = 47566680. Its totient is φ = 13190496.

The previous prime is 26780951. The next prime is 26780983. The reversal of 26780972 is 27908762.

It is a super-2 number, since 2×26780972² = 1434440922529568, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49697 + ... + 50232.

It is an arithmetic number, because the mean of its divisors is an integer number (3963890).

Almost surely, 2^26780972 is an apocalyptic number.

It is an amenable number.

26780972 is a deficient number, since it is larger than the sum of its proper divisors (20785708).

26780972 is a wasteful number, since it uses less digits than its factorization.

26780972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100000 (or 99998 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 26780972 is about 5175.0335264614. The cubic root of 26780972 is about 299.1865816806.

The spelling of 26780972 in words is "twenty-six million, seven hundred eighty thousand, nine hundred seventy-two".