73070570 has 16 divisors (see below), whose sum is σ = 134009640. Its totient is φ = 28676544.

The previous prime is 73070551. The next prime is 73070603. The reversal of 73070570 is 7507037.

It can be written as a sum of positive squares in 4 ways, for example, as 46144849 + 26925721 = 6793^2 + 5189^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68405 + ... + 69464.

Almost surely, 2^73070570 is an apocalyptic number.

73070570 is a deficient number, since it is larger than the sum of its proper divisors (60939070).

73070570 is a wasteful number, since it uses less digits than its factorization.

73070570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137929.

The product of its (nonzero) digits is 5145, while the sum is 29.

The square root of 73070570 is about 8548.1325445971. The cubic root of 73070570 is about 418.0685502220.

The spelling of 73070570 in words is "seventy-three million, seventy thousand, five hundred seventy".