26742029 has 2 divisors, whose sum is σ = 26742030. Its totient is φ = 26742028.

The previous prime is 26741983. The next prime is 26742043. The reversal of 26742029 is 92024762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14478025 + 12264004 = 3805^2 + 3502^2 .

It is a cyclic number.

It is not a de Polignac number, because 26742029 - 2⁸ = 26741773 is a prime.

It is a super-2 number, since 2×26742029² = 1430272230073682, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26741986 and 26742004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26742049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13371014 + 13371015.

It is an arithmetic number, because the mean of its divisors is an integer number (13371015).

Almost surely, 2^26742029 is an apocalyptic number.

It is an amenable number.

26742029 is a deficient number, since it is larger than the sum of its proper divisors (1).

26742029 is an equidigital number, since it uses as much as digits as its factorization.

26742029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 26742029 is about 5171.2695733253. The cubic root of 26742029 is about 299.0414926590.

The spelling of 26742029 in words is "twenty-six million, seven hundred forty-two thousand, twenty-nine".