26742929 has 2 divisors, whose sum is σ = 26742930. Its totient is φ = 26742928.

The previous prime is 26742869. The next prime is 26742941. The reversal of 26742929 is 92924762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26214400 + 528529 = 5120^2 + 727^2 .

It is a cyclic number.

It is not a de Polignac number, because 26742929 - 2⁸ = 26742673 is a prime.

It is not a weakly prime, because it can be changed into another prime (26742979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13371464 + 13371465.

It is an arithmetic number, because the mean of its divisors is an integer number (13371465).

Almost surely, 2^26742929 is an apocalyptic number.

It is an amenable number.

26742929 is a deficient number, since it is larger than the sum of its proper divisors (1).

26742929 is an equidigital number, since it uses as much as digits as its factorization.

26742929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 41.

The square root of 26742929 is about 5171.3565918432. The cubic root of 26742929 is about 299.0448473574.

The spelling of 26742929 in words is "twenty-six million, seven hundred forty-two thousand, nine hundred twenty-nine".