27143070 has 16 divisors (see below), whose sum is σ = 65143440. Its totient is φ = 7238144.

The previous prime is 27143063. The next prime is 27143093. The reversal of 27143070 is 7034172.

It is a self number, because there is not a number n which added to its sum of digits gives 27143070.

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, 452355 + ... + 452414.

It is an arithmetic number, because the mean of its divisors is an integer number (4071465).

Almost surely, 2^27143070 is an apocalyptic number.

27143070 is an abundant number, since it is smaller than the sum of its proper divisors (38000370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27143070 is a wasteful number, since it uses less digits than its factorization.

27143070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904779.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 27143070 is about 5209.9011506937. The cubic root of 27143070 is about 300.5289556937.

The spelling of 27143070 in words is "twenty-seven million, one hundred forty-three thousand, seventy".