70218803 has 2 divisors, whose sum is σ = 70218804. Its totient is φ = 70218802.

The previous prime is 70218767. The next prime is 70218821. The reversal of 70218803 is 30881207.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70218803 - 2⁶ = 70218739 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70218833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35109401 + 35109402.

It is an arithmetic number, because the mean of its divisors is an integer number (35109402).

Almost surely, 2^70218803 is an apocalyptic number.

70218803 is a deficient number, since it is larger than the sum of its proper divisors (1).

70218803 is an equidigital number, since it uses as much as digits as its factorization.

70218803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 70218803 is about 8379.6660434650. Note that the first 3 decimals coincide. The cubic root of 70218803 is about 412.5574879168.

The spelling of 70218803 in words is "seventy million, two hundred eighteen thousand, eight hundred three".