26697240 has 48 divisors (see below), whose sum is σ = 86767200. Its totient is φ = 7119168.

The previous prime is 26697233. The next prime is 26697263. The reversal of 26697240 is 4279662.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 26697195 and 26697204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36720 + ... + 37439.

It is an arithmetic number, because the mean of its divisors is an integer number (1807650).

Almost surely, 2^26697240 is an apocalyptic number.

26697240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26697240 is an abundant number, since it is smaller than the sum of its proper divisors (60069960).

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

26697240 is a wasteful number, since it uses less digits than its factorization.

26697240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74176 (or 74169 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 26697240 is about 5166.9371972185. The cubic root of 26697240 is about 298.8744490648.

The spelling of 26697240 in words is "twenty-six million, six hundred ninety-seven thousand, two hundred forty".