70073329 has 2 divisors, whose sum is σ = 70073330. Its totient is φ = 70073328.

The previous prime is 70073291. The next prime is 70073369. The reversal of 70073329 is 92337007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47983329 + 22090000 = 6927^2 + 4700^2 .

It is a cyclic number.

It is not a de Polignac number, because 70073329 - 2²¹ = 67976177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70073329.

It is not a weakly prime, because it can be changed into another prime (70073369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35036664 + 35036665.

It is an arithmetic number, because the mean of its divisors is an integer number (35036665).

Almost surely, 2^70073329 is an apocalyptic number.

It is an amenable number.

70073329 is a deficient number, since it is larger than the sum of its proper divisors (1).

70073329 is an equidigital number, since it uses as much as digits as its factorization.

70073329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 31.

The square root of 70073329 is about 8370.9813642129. The cubic root of 70073329 is about 412.2723891541.

The spelling of 70073329 in words is "seventy million, seventy-three thousand, three hundred twenty-nine".