73070791 has 2 divisors, whose sum is σ = 73070792. Its totient is φ = 73070790.

The previous prime is 73070761. The next prime is 73070797. The reversal of 73070791 is 19707037.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73070791 - 2¹³ = 73062599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73070797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36535395 + 36535396.

It is an arithmetic number, because the mean of its divisors is an integer number (36535396).

Almost surely, 2^73070791 is an apocalyptic number.

73070791 is a deficient number, since it is larger than the sum of its proper divisors (1).

73070791 is an equidigital number, since it uses as much as digits as its factorization.

73070791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9261, while the sum is 34.

The square root of 73070791 is about 8548.1454713873. The cubic root of 73070791 is about 418.0689717007.

The spelling of 73070791 in words is "seventy-three million, seventy thousand, seven hundred ninety-one".