27021039 has 8 divisors (see below), whose sum is σ = 36108720. Its totient is φ = 17973696.

The previous prime is 27021037. The next prime is 27021047. The reversal of 27021039 is 93012072.

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

It is not a de Polignac number, because 27021039 - 2¹ = 27021037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27021037) 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, 8484 + ... + 11225.

It is an arithmetic number, because the mean of its divisors is an integer number (4513590).

Almost surely, 2^27021039 is an apocalyptic number.

27021039 is a deficient number, since it is larger than the sum of its proper divisors (9087681).

27021039 is a wasteful number, since it uses less digits than its factorization.

27021039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20169.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 27021039 is about 5198.1765071994. The cubic root of 27021039 is about 300.0779019914.

It can be divided in two parts, 2702 and 1039, that added together give a triangular number (3741 = T₈₆).

The spelling of 27021039 in words is "twenty-seven million, twenty-one thousand, thirty-nine".