27397264 has 10 divisors (see below), whose sum is σ = 53082230. Its totient is φ = 13698624.

The previous prime is 27397261. The next prime is 27397277. The reversal of 27397264 is 46279372.

It can be written as a sum of positive squares in only one way, i.e., 22014864 + 5382400 = 4692^2 + 2320^2 .

It is a super-2 number, since 2×27397264² = 1501220149371392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27397261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 856149 + ... + 856180.

It is an arithmetic number, because the mean of its divisors is an integer number (5308223).

Almost surely, 2^27397264 is an apocalyptic number.

It is an amenable number.

27397264 is a deficient number, since it is larger than the sum of its proper divisors (25684966).

27397264 is a wasteful number, since it uses less digits than its factorization.

27397264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712337 (or 1712331 counting only the distinct ones).

The product of its digits is 127008, while the sum is 40.

The square root of 27397264 is about 5234.2395818304. The cubic root of 27397264 is about 301.4641903443.

The spelling of 27397264 in words is "twenty-seven million, three hundred ninety-seven thousand, two hundred sixty-four".