27070731 has 12 divisors (see below), whose sum is σ = 39934752. Its totient is φ = 17662896.

The previous prime is 27070723. The next prime is 27070733. The reversal of 27070731 is 13707072.

It is not a de Polignac number, because 27070731 - 2³ = 27070723 is a prime.

It is a super-2 number, since 2×27070731² = 1465648953748722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27070695 and 27070704.

It is not an unprimeable number, because it can be changed into a prime (27070733) 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 11 ways as a sum of consecutive naturals, for example, 31576 + ... + 32421.

It is an arithmetic number, because the mean of its divisors is an integer number (3327896).

Almost surely, 2^27070731 is an apocalyptic number.

27070731 is a deficient number, since it is larger than the sum of its proper divisors (12864021).

27070731 is a wasteful number, since it uses less digits than its factorization.

27070731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64050 (or 64047 counting only the distinct ones).

The product of its (nonzero) digits is 2058, while the sum is 27.

The square root of 27070731 is about 5202.9540647597. The cubic root of 27070731 is about 300.2617382439.

The spelling of 27070731 in words is "twenty-seven million, seventy thousand, seven hundred thirty-one".