71364049 has 2 divisors, whose sum is σ = 71364050. Its totient is φ = 71364048.

The previous prime is 71364037. The next prime is 71364053. The reversal of 71364049 is 94046317.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70442449 + 921600 = 8393^2 + 960^2 .

It is an emirp because it is prime and its reverse (94046317) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71364049 - 2¹¹ = 71362001 is a prime.

It is not a weakly prime, because it can be changed into another prime (71364089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35682024 + 35682025.

It is an arithmetic number, because the mean of its divisors is an integer number (35682025).

Almost surely, 2^71364049 is an apocalyptic number.

It is an amenable number.

71364049 is a deficient number, since it is larger than the sum of its proper divisors (1).

71364049 is an equidigital number, since it uses as much as digits as its factorization.

71364049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 71364049 is about 8447.7244865111. The cubic root of 71364049 is about 414.7882967257.

The spelling of 71364049 in words is "seventy-one million, three hundred sixty-four thousand, forty-nine".