39118073 has 2 divisors, whose sum is σ = 39118074. Its totient is φ = 39118072.

The previous prime is 39118049. The next prime is 39118091. The reversal of 39118073 is 37081193.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28015849 + 11102224 = 5293^2 + 3332^2 .

It is an emirp because it is prime and its reverse (37081193) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39118073 is a prime.

It is not a weakly prime, because it can be changed into another prime (39118033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19559036 + 19559037.

It is an arithmetic number, because the mean of its divisors is an integer number (19559037).

Almost surely, 2^39118073 is an apocalyptic number.

It is an amenable number.

39118073 is a deficient number, since it is larger than the sum of its proper divisors (1).

39118073 is an equidigital number, since it uses as much as digits as its factorization.

39118073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 39118073 is about 6254.4442598843. Note that the first 3 decimals coincide. The cubic root of 39118073 is about 339.4630307154.

The spelling of 39118073 in words is "thirty-nine million, one hundred eighteen thousand, seventy-three".