27342545 has 16 divisors (see below), whose sum is σ = 34898688. Its totient is φ = 20494080.

The previous prime is 27342533. The next prime is 27342571. The reversal of 27342545 is 54524372.

It is not a de Polignac number, because 27342545 - 2⁶ = 27342481 is a prime.

It is a super-2 number, since 2×27342545² = 1495229534154050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22442 + ... + 23628.

It is an arithmetic number, because the mean of its divisors is an integer number (2181168).

Almost surely, 2^27342545 is an apocalyptic number.

It is an amenable number.

27342545 is a deficient number, since it is larger than the sum of its proper divisors (7556143).

27342545 is a wasteful number, since it uses less digits than its factorization.

27342545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480.

The product of its digits is 33600, while the sum is 32.

The square root of 27342545 is about 5229.0099445306. The cubic root of 27342545 is about 301.2633574766.

The spelling of 27342545 in words is "twenty-seven million, three hundred forty-two thousand, five hundred forty-five".