27157429 has 8 divisors (see below), whose sum is σ = 29659392. Its totient is φ = 24714480.

The previous prime is 27157423. The next prime is 27157439. The reversal of 27157429 is 92475172.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27157429 - 2⁵ = 27157397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27157423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13789 + ... + 15634.

It is an arithmetic number, because the mean of its divisors is an integer number (3707424).

Almost surely, 2^27157429 is an apocalyptic number.

It is an amenable number.

27157429 is a deficient number, since it is larger than the sum of its proper divisors (2501963).

27157429 is a wasteful number, since it uses less digits than its factorization.

27157429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29507.

The product of its digits is 35280, while the sum is 37.

The square root of 27157429 is about 5211.2790176693. The cubic root of 27157429 is about 300.5819407902.

The spelling of 27157429 in words is "twenty-seven million, one hundred fifty-seven thousand, four hundred twenty-nine".