27070728 has 16 divisors (see below), whose sum is σ = 67676880. Its totient is φ = 9023568.

The previous prime is 27070723. The next prime is 27070733. The reversal of 27070728 is 82707072.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (27070723) and next prime (27070733).

It is not an unprimeable number, because it can be changed into a prime (27070723) 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, 563950 + ... + 563997.

It is an arithmetic number, because the mean of its divisors is an integer number (4229805).

Almost surely, 2^27070728 is an apocalyptic number.

It is an amenable number.

27070728 is an abundant number, since it is smaller than the sum of its proper divisors (40606152).

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

27070728 is a wasteful number, since it uses less digits than its factorization.

27070728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127956 (or 1127952 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 33.

The square root of 27070728 is about 5202.9537764620. The cubic root of 27070728 is about 300.2617271521.

The spelling of 27070728 in words is "twenty-seven million, seventy thousand, seven hundred twenty-eight".