26940740 has 24 divisors (see below), whose sum is σ = 57139992. Its totient is φ = 10668800.

The previous prime is 26940713. The next prime is 26940761. The reversal of 26940740 is 4704962.

It can be written as a sum of positive squares in 4 ways, for example, as 6220036 + 20720704 = 2494^2 + 4552^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26940697 and 26940706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4649 + ... + 8688.

It is an arithmetic number, because the mean of its divisors is an integer number (2380833).

Almost surely, 2^26940740 is an apocalyptic number.

26940740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26940740 is an abundant number, since it is smaller than the sum of its proper divisors (30199252).

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

26940740 is a wasteful number, since it uses less digits than its factorization.

26940740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13447 (or 13445 counting only the distinct ones).

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

The square root of 26940740 is about 5190.4469942386. The cubic root of 26940740 is about 299.7803577487.

The spelling of 26940740 in words is "twenty-six million, nine hundred forty thousand, seven hundred forty".