27242680 has 16 divisors (see below), whose sum is σ = 61296120. Its totient is φ = 10897056.

The previous prime is 27242671. The next prime is 27242681. The reversal of 27242680 is 8624272.

It is a super-2 number, since 2×27242680² = 1484327227164800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27242681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340494 + ... + 340573.

Almost surely, 2^27242680 is an apocalyptic number.

27242680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27242680 is an abundant number, since it is smaller than the sum of its proper divisors (34053440).

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

27242680 is a wasteful number, since it uses less digits than its factorization.

27242680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681078 (or 681074 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 27242680 is about 5219.4520785232. The cubic root of 27242680 is about 300.8961352879.

The spelling of 27242680 in words is "twenty-seven million, two hundred forty-two thousand, six hundred eighty".