70213603 has 2 divisors, whose sum is σ = 70213604. Its totient is φ = 70213602.

The previous prime is 70213529. The next prime is 70213609. The reversal of 70213603 is 30631207.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70213603 is a prime.

It is not a weakly prime, because it can be changed into another prime (70213609) by changing a digit.

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 as a sum of consecutive naturals, namely, 35106801 + 35106802.

It is an arithmetic number, because the mean of its divisors is an integer number (35106802).

Almost surely, 2^70213603 is an apocalyptic number.

70213603 is a deficient number, since it is larger than the sum of its proper divisors (1).

70213603 is an equidigital number, since it uses as much as digits as its factorization.

70213603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 70213603 is about 8379.3557628257. The cubic root of 70213603 is about 412.5473037885.

The spelling of 70213603 in words is "seventy million, two hundred thirteen thousand, six hundred three".