27070473 has 4 divisors (see below), whose sum is σ = 36093968. Its totient is φ = 18046980.

The previous prime is 27070457. The next prime is 27070481. The reversal of 27070473 is 37407072.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 27070473 - 2⁴ = 27070457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27070473.

It is not an unprimeable number, because it can be changed into a prime (27070403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4511743 + ... + 4511748.

It is an arithmetic number, because the mean of its divisors is an integer number (9023492).

Almost surely, 2^27070473 is an apocalyptic number.

It is an amenable number.

27070473 is a deficient number, since it is larger than the sum of its proper divisors (9023495).

27070473 is an equidigital number, since it uses as much as digits as its factorization.

27070473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9023494.

The product of its (nonzero) digits is 8232, while the sum is 30.

The square root of 27070473 is about 5202.9292710934. The cubic root of 27070473 is about 300.2607843505.

The spelling of 27070473 in words is "twenty-seven million, seventy thousand, four hundred seventy-three".