26797690 has 12 divisors (see below), whose sum is σ = 48265326. Its totient is φ = 10712528.

The previous prime is 26797681. The next prime is 26797697. The reversal of 26797690 is 9679762.

It can be written as a sum of positive squares in 3 ways, for example, as 6086089 + 20711601 = 2467^2 + 4551^2 .

It is a super-2 number, since 2×26797690² = 1436232378672200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26797690.

It is not an unprimeable number, because it can be changed into a prime (26797697) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15552 + ... + 17188.

Almost surely, 2^26797690 is an apocalyptic number.

26797690 is a deficient number, since it is larger than the sum of its proper divisors (21467636).

26797690 is an frugal number, since it uses more digits than its factorization.

26797690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281 (or 1644 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 26797690 is about 5176.6485296956. The cubic root of 26797690 is about 299.2488243909.

The spelling of 26797690 in words is "twenty-six million, seven hundred ninety-seven thousand, six hundred ninety".