70446473 has 2 divisors, whose sum is σ = 70446474. Its totient is φ = 70446472.

The previous prime is 70446443. The next prime is 70446479. The reversal of 70446473 is 37464407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40284409 + 30162064 = 6347^2 + 5492^2 .

It is a cyclic number.

It is not a de Polignac number, because 70446473 - 2¹⁰ = 70445449 is a prime.

It is not a weakly prime, because it can be changed into another prime (70446479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35223236 + 35223237.

It is an arithmetic number, because the mean of its divisors is an integer number (35223237).

Almost surely, 2^70446473 is an apocalyptic number.

It is an amenable number.

70446473 is a deficient number, since it is larger than the sum of its proper divisors (1).

70446473 is an equidigital number, since it uses as much as digits as its factorization.

70446473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 70446473 is about 8393.2397201557. The cubic root of 70446473 is about 413.0028844430.

The spelling of 70446473 in words is "seventy million, four hundred forty-six thousand, four hundred seventy-three".