26942749 has 2 divisors, whose sum is σ = 26942750. Its totient is φ = 26942748.

The previous prime is 26942723. The next prime is 26942791. The reversal of 26942749 is 94724962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26594649 + 348100 = 5157^2 + 590^2 .

It is a cyclic number.

It is not a de Polignac number, because 26942749 - 2⁵ = 26942717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26942249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13471374 + 13471375.

It is an arithmetic number, because the mean of its divisors is an integer number (13471375).

Almost surely, 2^26942749 is an apocalyptic number.

It is an amenable number.

26942749 is a deficient number, since it is larger than the sum of its proper divisors (1).

26942749 is an equidigital number, since it uses as much as digits as its factorization.

26942749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 43.

The square root of 26942749 is about 5190.6405192423. The cubic root of 26942749 is about 299.7878092115.

The spelling of 26942749 in words is "twenty-six million, nine hundred forty-two thousand, seven hundred forty-nine".