70650473 has 2 divisors, whose sum is σ = 70650474. Its totient is φ = 70650472.

The previous prime is 70650451. The next prime is 70650497. The reversal of 70650473 is 37405607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50651689 + 19998784 = 7117^2 + 4472^2 .

It is an emirp because it is prime and its reverse (37405607) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70650473 - 2²⁰ = 69601897 is a prime.

It is not a weakly prime, because it can be changed into another prime (70650403) 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, 35325236 + 35325237.

It is an arithmetic number, because the mean of its divisors is an integer number (35325237).

Almost surely, 2^70650473 is an apocalyptic number.

It is an amenable number.

70650473 is a deficient number, since it is larger than the sum of its proper divisors (1).

70650473 is an equidigital number, since it uses as much as digits as its factorization.

70650473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 70650473 is about 8405.3835724493. The cubic root of 70650473 is about 413.4011603196.

The spelling of 70650473 in words is "seventy million, six hundred fifty thousand, four hundred seventy-three".