26743623772672 has 20 divisors (see below), whose sum is σ = 53435013906186. Its totient is φ = 13371811886080.

The previous prime is 26743623772577. The next prime is 26743623772687. The reversal of 26743623772672 is 27627732634762.

It can be written as a sum of positive squares in only one way, i.e., 23734980884736 + 3008642887936 = 4871856^2 + 1734544^2 .

It is a Harshad number since it is a multiple of its sum of digits (64).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26116819579 + ... + 26116820602.

Almost surely, 2^{26743623772672} is an apocalyptic number.

It is an amenable number.

26743623772672 is a deficient number, since it is larger than the sum of its proper divisors (26691390133514).

26743623772672 is an frugal number, since it uses more digits than its factorization.

26743623772672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52233640199 (or 52233640183 counting only the distinct ones).

The product of its digits is 298722816, while the sum is 64.

The spelling of 26743623772672 in words is "twenty-six trillion, seven hundred forty-three billion, six hundred twenty-three million, seven hundred seventy-two thousand, six hundred seventy-two".