70173473 has 2 divisors, whose sum is σ = 70173474. Its totient is φ = 70173472.

The previous prime is 70173461. The next prime is 70173503. The reversal of 70173473 is 37437107.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59336209 + 10837264 = 7703^2 + 3292^2 .

It is a cyclic number.

It is not a de Polignac number, because 70173473 - 2⁴ = 70173457 is a prime.

It is not a weakly prime, because it can be changed into another prime (70173413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35086736 + 35086737.

It is an arithmetic number, because the mean of its divisors is an integer number (35086737).

Almost surely, 2^70173473 is an apocalyptic number.

It is an amenable number.

70173473 is a deficient number, since it is larger than the sum of its proper divisors (1).

70173473 is an equidigital number, since it uses as much as digits as its factorization.

70173473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12348, while the sum is 32.

The square root of 70173473 is about 8376.9608450798. The cubic root of 70173473 is about 412.4686928183.

The spelling of 70173473 in words is "seventy million, one hundred seventy-three thousand, four hundred seventy-three".