27157073 has 4 divisors (see below), whose sum is σ = 27243060. Its totient is φ = 27071088.

The previous prime is 27157069. The next prime is 27157087. The reversal of 27157073 is 37075172.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6436369 + 20720704 = 2537^2 + 4552^2 .

It is a cyclic number.

It is not a de Polignac number, because 27157073 - 2² = 27157069 is a prime.

It is a super-2 number, since 2×27157073² = 1475013227854658, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27157033) 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, 42518 + ... + 43151.

It is an arithmetic number, because the mean of its divisors is an integer number (6810765).

Almost surely, 2^27157073 is an apocalyptic number.

It is an amenable number.

27157073 is a deficient number, since it is larger than the sum of its proper divisors (85987).

27157073 is an equidigital number, since it uses as much as digits as its factorization.

27157073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85986.

The product of its (nonzero) digits is 10290, while the sum is 32.

The square root of 27157073 is about 5211.2448608754. The cubic root of 27157073 is about 300.5806273664.

The spelling of 27157073 in words is "twenty-seven million, one hundred fifty-seven thousand, seventy-three".