26787740 has 24 divisors (see below), whose sum is σ = 64290912. Its totient is φ = 9184320.

The previous prime is 26787713. The next prime is 26787749. The reversal of 26787740 is 4778762.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26787749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95531 + ... + 95810.

It is an arithmetic number, because the mean of its divisors is an integer number (2678788).

Almost surely, 2^26787740 is an apocalyptic number.

26787740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26787740 is an abundant number, since it is smaller than the sum of its proper divisors (37503172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26787740 is a wasteful number, since it uses less digits than its factorization.

26787740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191357 (or 191355 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 41.

The square root of 26787740 is about 5175.6873939603. The cubic root of 26787740 is about 299.2117827106.

The spelling of 26787740 in words is "twenty-six million, seven hundred eighty-seven thousand, seven hundred forty".