27264457 has 4 divisors (see below), whose sum is σ = 29743056. Its totient is φ = 24785860.

The previous prime is 27264397. The next prime is 27264473. The reversal of 27264457 is 75446272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 27264457 - 2⁷ = 27264329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27264157) 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, 1239283 + ... + 1239304.

It is an arithmetic number, because the mean of its divisors is an integer number (7435764).

Almost surely, 2^27264457 is an apocalyptic number.

It is an amenable number.

27264457 is a deficient number, since it is larger than the sum of its proper divisors (2478599).

27264457 is a wasteful number, since it uses less digits than its factorization.

27264457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2478598.

The product of its digits is 94080, while the sum is 37.

The square root of 27264457 is about 5221.5378003037. The cubic root of 27264457 is about 300.9762897848.

The spelling of 27264457 in words is "twenty-seven million, two hundred sixty-four thousand, four hundred fifty-seven".