27297420 has 48 divisors (see below), whose sum is σ = 76661088. Its totient is φ = 7257600.

The previous prime is 27297419. The next prime is 27297421. The reversal of 27297420 is 2479272.

It is an interprime number because it is at equal distance from previous prime (27297419) and next prime (27297421).

It is not an unprimeable number, because it can be changed into a prime (27297421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35682 + ... + 36438.

It is an arithmetic number, because the mean of its divisors is an integer number (1597106).

Almost surely, 2^27297420 is an apocalyptic number.

27297420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27297420 is an abundant number, since it is smaller than the sum of its proper divisors (49363668).

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

27297420 is a wasteful number, since it uses less digits than its factorization.

27297420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370 (or 1368 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 27297420 is about 5224.6932924335. The cubic root of 27297420 is about 301.0975353793.

The spelling of 27297420 in words is "twenty-seven million, two hundred ninety-seven thousand, four hundred twenty".