26940739 has 12 divisors (see below), whose sum is σ = 32421600. Its totient is φ = 22294608.

The previous prime is 26940713. The next prime is 26940761. The reversal of 26940739 is 93704962.

It is not a de Polignac number, because 26940739 - 2⁷ = 26940611 is a prime.

It is a super-2 number, since 2×26940739² = 1451606835732242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26940769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8059 + ... + 10900.

It is an arithmetic number, because the mean of its divisors is an integer number (2701800).

Almost surely, 2^26940739 is an apocalyptic number.

26940739 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

26940739 is a deficient number, since it is larger than the sum of its proper divisors (5480861).

26940739 is a wasteful number, since it uses less digits than its factorization.

26940739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19002 (or 18995 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 26940739 is about 5190.4468979077. The cubic root of 26940739 is about 299.7803540396.

The spelling of 26940739 in words is "twenty-six million, nine hundred forty thousand, seven hundred thirty-nine".