73070687 has 2 divisors, whose sum is σ = 73070688. Its totient is φ = 73070686.

The previous prime is 73070681. The next prime is 73070761. The reversal of 73070687 is 78607037.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73070687 - 2¹⁰ = 73069663 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73070687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73070681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36535343 + 36535344.

It is an arithmetic number, because the mean of its divisors is an integer number (36535344).

Almost surely, 2^73070687 is an apocalyptic number.

73070687 is a deficient number, since it is larger than the sum of its proper divisors (1).

73070687 is an equidigital number, since it uses as much as digits as its factorization.

73070687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 73070687 is about 8548.1393881944. The cubic root of 73070687 is about 418.0687733579.

It can be divided in two parts, 730 and 70687, that added together give a palindrome (71417).

The spelling of 73070687 in words is "seventy-three million, seventy thousand, six hundred eighty-seven".