26042749 has 16 divisors (see below), whose sum is σ = 28445760. Its totient is φ = 23760000.

The previous prime is 26042743. The next prime is 26042761. The reversal of 26042749 is 94724062.

It is a cyclic number.

It is not a de Polignac number, because 26042749 - 2¹³ = 26034557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26042743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78514 + ... + 78844.

It is an arithmetic number, because the mean of its divisors is an integer number (1777860).

Almost surely, 2^26042749 is an apocalyptic number.

It is an amenable number.

26042749 is a deficient number, since it is larger than the sum of its proper divisors (2403011).

26042749 is a wasteful number, since it uses less digits than its factorization.

26042749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 26042749 is about 5103.2096762724. The cubic root of 26042749 is about 296.4118817111.

The spelling of 26042749 in words is "twenty-six million, forty-two thousand, seven hundred forty-nine".