26730380 has 12 divisors (see below), whose sum is σ = 56133840. Its totient is φ = 10692144.

The previous prime is 26730371. The next prime is 26730413. The reversal of 26730380 is 8303762.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668240 + ... + 668279.

It is an arithmetic number, because the mean of its divisors is an integer number (4677820).

Almost surely, 2^26730380 is an apocalyptic number.

26730380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26730380 is an abundant number, since it is smaller than the sum of its proper divisors (29403460).

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

26730380 is a wasteful number, since it uses less digits than its factorization.

26730380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336528 (or 1336526 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 26730380 is about 5170.1431314810. The cubic root of 26730380 is about 298.9980648861.

The spelling of 26730380 in words is "twenty-six million, seven hundred thirty thousand, three hundred eighty".