26730860 has 24 divisors (see below), whose sum is σ = 60453456. Its totient is φ = 9869760.

The previous prime is 26730857. The next prime is 26730863. The reversal of 26730860 is 6803762.

It is an interprime number because it is at equal distance from previous prime (26730857) and next prime (26730863).

It is not an unprimeable number, because it can be changed into a prime (26730863) 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, 51146 + ... + 51665.

It is an arithmetic number, because the mean of its divisors is an integer number (2518894).

Almost surely, 2^26730860 is an apocalyptic number.

26730860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26730860 is an abundant number, since it is smaller than the sum of its proper divisors (33722596).

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

26730860 is a wasteful number, since it uses less digits than its factorization.

26730860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102833 (or 102831 counting only the distinct ones).

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

The square root of 26730860 is about 5170.1895516509. The cubic root of 26730860 is about 298.9998545877. Note that the first 3 decimals are identical.

The spelling of 26730860 in words is "twenty-six million, seven hundred thirty thousand, eight hundred sixty".