26857072 has 20 divisors (see below), whose sum is σ = 56766456. Its totient is φ = 12207680.

The previous prime is 26857063. The next prime is 26857073. The reversal of 26857072 is 27075862.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26857073) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 76123 + ... + 76474.

Almost surely, 2^26857072 is an apocalyptic number.

26857072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

26857072 is an abundant number, since it is smaller than the sum of its proper divisors (29909384).

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

26857072 is a wasteful number, since it uses less digits than its factorization.

26857072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152616 (or 152610 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 26857072 is about 5182.3809200019. The cubic root of 26857072 is about 299.4697001964.

The spelling of 26857072 in words is "twenty-six million, eight hundred fifty-seven thousand, seventy-two".