27970193 has 2 divisors, whose sum is σ = 27970194. Its totient is φ = 27970192.

The previous prime is 27970141. The next prime is 27970211. The reversal of 27970193 is 39107972.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26863489 + 1106704 = 5183^2 + 1052^2 .

It is a cyclic number.

It is not a de Polignac number, because 27970193 - 2¹² = 27966097 is a prime.

It is not a weakly prime, because it can be changed into another prime (27970133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13985096 + 13985097.

It is an arithmetic number, because the mean of its divisors is an integer number (13985097).

Almost surely, 2^27970193 is an apocalyptic number.

It is an amenable number.

27970193 is a deficient number, since it is larger than the sum of its proper divisors (1).

27970193 is an equidigital number, since it uses as much as digits as its factorization.

27970193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 27970193 is about 5288.6853754029. The cubic root of 27970193 is about 303.5511070160.

The spelling of 27970193 in words is "twenty-seven million, nine hundred seventy thousand, one hundred ninety-three".