70816903 has 2 divisors, whose sum is σ = 70816904. Its totient is φ = 70816902.

The previous prime is 70816871. The next prime is 70816909. The reversal of 70816903 is 30961807.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70816903 - 2⁵ = 70816871 is a prime.

It is a super-2 number, since 2×70816903² = 10030067501022818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70816909) 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, 35408451 + 35408452.

It is an arithmetic number, because the mean of its divisors is an integer number (35408452).

Almost surely, 2^70816903 is an apocalyptic number.

70816903 is a deficient number, since it is larger than the sum of its proper divisors (1).

70816903 is an equidigital number, since it uses as much as digits as its factorization.

70816903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 70816903 is about 8415.2779514405. The cubic root of 70816903 is about 413.7255195551.

The spelling of 70816903 in words is "seventy million, eight hundred sixteen thousand, nine hundred three".