70020803 has 2 divisors, whose sum is σ = 70020804. Its totient is φ = 70020802.

The previous prime is 70020799. The next prime is 70020817. The reversal of 70020803 is 30802007.

It is a weak prime.

It is an emirp because it is prime and its reverse (30802007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70020803 - 2² = 70020799 is a prime.

It is not a weakly prime, because it can be changed into another prime (70020893) 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, 35010401 + 35010402.

It is an arithmetic number, because the mean of its divisors is an integer number (35010402).

Almost surely, 2^70020803 is an apocalyptic number.

70020803 is a deficient number, since it is larger than the sum of its proper divisors (1).

70020803 is an equidigital number, since it uses as much as digits as its factorization.

70020803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 70020803 is about 8367.8433900259. The cubic root of 70020803 is about 412.1693521744.

Subtracting from 70020803 its reverse (30802007), we obtain a triangular number (39218796 = T₈₈₅₆).

The spelling of 70020803 in words is "seventy million, twenty thousand, eight hundred three".