27072373 has 2 divisors, whose sum is σ = 27072374. Its totient is φ = 27072372.

The previous prime is 27072319. The next prime is 27072377. The reversal of 27072373 is 37327072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18818244 + 8254129 = 4338^2 + 2873^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27072373 is a prime.

It is a super-2 number, since 2×27072373² = 1465826759702258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27072377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13536186 + 13536187.

It is an arithmetic number, because the mean of its divisors is an integer number (13536187).

Almost surely, 2^27072373 is an apocalyptic number.

It is an amenable number.

27072373 is a deficient number, since it is larger than the sum of its proper divisors (1).

27072373 is an equidigital number, since it uses as much as digits as its factorization.

27072373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12348, while the sum is 31.

The square root of 27072373 is about 5203.1118573408. Note that the first 3 decimals coincide. The cubic root of 27072373 is about 300.2678090048.

The spelling of 27072373 in words is "twenty-seven million, seventy-two thousand, three hundred seventy-three".