27157641 has 32 divisors (see below), whose sum is σ = 43960320. Its totient is φ = 14577024.

The previous prime is 27157597. The next prime is 27157651. The reversal of 27157641 is 14675172.

It is not a de Polignac number, because 27157641 - 2⁶ = 27157577 is a prime.

It is a super-3 number, since 3×27157641³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (27157651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28021 + ... + 28973.

It is an arithmetic number, because the mean of its divisors is an integer number (1373760).

Almost surely, 2^27157641 is an apocalyptic number.

27157641 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

27157641 is a deficient number, since it is larger than the sum of its proper divisors (16802679).

27157641 is a wasteful number, since it uses less digits than its factorization.

27157641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045.

The product of its digits is 11760, while the sum is 33.

The square root of 27157641 is about 5211.2993581256. The cubic root of 27157641 is about 300.5827229360.

The spelling of 27157641 in words is "twenty-seven million, one hundred fifty-seven thousand, six hundred forty-one".