27429998 has 16 divisors (see below), whose sum is σ = 43169760. Its totient is φ = 13053600.

The previous prime is 27429979. The next prime is 27430019. The reversal of 27429998 is 89992472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788 + ... + 7448.

It is an arithmetic number, because the mean of its divisors is an integer number (2698110).

Almost surely, 2^27429998 is an apocalyptic number.

27429998 is a deficient number, since it is larger than the sum of its proper divisors (15739762).

27429998 is a wasteful number, since it uses less digits than its factorization.

27429998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6763.

The product of its digits is 653184, while the sum is 50.

The square root of 27429998 is about 5237.3655591337. The cubic root of 27429998 is about 301.5842047771.

The spelling of 27429998 in words is "twenty-seven million, four hundred twenty-nine thousand, nine hundred ninety-eight".