27429057 has 8 divisors (see below), whose sum is σ = 40635680. Its totient is φ = 18286020.

The previous prime is 27429049. The next prime is 27429067. The reversal of 27429057 is 75092472.

It is not a de Polignac number, because 27429057 - 2³ = 27429049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27429047) 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, 507919 + ... + 507972.

It is an arithmetic number, because the mean of its divisors is an integer number (5079460).

Almost surely, 2^27429057 is an apocalyptic number.

27429057 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

27429057 is a deficient number, since it is larger than the sum of its proper divisors (13206623).

27429057 is a wasteful number, since it uses less digits than its factorization.

27429057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015900 (or 1015894 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 27429057 is about 5237.2757231217. The cubic root of 27429057 is about 301.5807560713.

The spelling of 27429057 in words is "twenty-seven million, four hundred twenty-nine thousand, fifty-seven".