27042070 has 32 divisors (see below), whose sum is σ = 56228256. Its totient is φ = 9254400.

The previous prime is 27042023. The next prime is 27042077. The reversal of 27042070 is 7024072.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27042077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5361 + ... + 9100.

It is an arithmetic number, because the mean of its divisors is an integer number (1757133).

Almost surely, 2^27042070 is an apocalyptic number.

27042070 is an abundant number, since it is smaller than the sum of its proper divisors (29186186).

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

27042070 is a wasteful number, since it uses less digits than its factorization.

27042070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14496.

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 27042070 is about 5200.1990346524. The cubic root of 27042070 is about 300.1557339573.

It can be divided in two parts, 2704 and 2070, that added together give a palindrome (4774).

The spelling of 27042070 in words is "twenty-seven million, forty-two thousand, seventy".