70070863 has 2 divisors, whose sum is σ = 70070864. Its totient is φ = 70070862.

The previous prime is 70070849. The next prime is 70070887. The reversal of 70070863 is 36807007.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70070863 - 2⁵ = 70070831 is a prime.

It is a super-3 number, since 3×70070863³ (a number of 25 digits) contains 333 as substring.

It is equal to p_4121986 and since 70070863 and 4121986 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70070813) 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, 35035431 + 35035432.

It is an arithmetic number, because the mean of its divisors is an integer number (35035432).

Almost surely, 2^70070863 is an apocalyptic number.

70070863 is a deficient number, since it is larger than the sum of its proper divisors (1).

70070863 is an equidigital number, since it uses as much as digits as its factorization.

70070863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 70070863 is about 8370.8340683590. The cubic root of 70070863 is about 412.2675529078.

The spelling of 70070863 in words is "seventy million, seventy thousand, eight hundred sixty-three".