70043117 has 2 divisors, whose sum is σ = 70043118. Its totient is φ = 70043116.

The previous prime is 70043093. The next prime is 70043123. The reversal of 70043117 is 71134007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66896041 + 3147076 = 8179^2 + 1774^2 .

It is a cyclic number.

It is not a de Polignac number, because 70043117 - 2⁶ = 70043053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70043092 and 70043101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70043137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35021558 + 35021559.

It is an arithmetic number, because the mean of its divisors is an integer number (35021559).

Almost surely, 2^70043117 is an apocalyptic number.

It is an amenable number.

70043117 is a deficient number, since it is larger than the sum of its proper divisors (1).

70043117 is an equidigital number, since it uses as much as digits as its factorization.

70043117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 70043117 is about 8369.1766022710. The cubic root of 70043117 is about 412.2131304504.

The spelling of 70043117 in words is "seventy million, forty-three thousand, one hundred seventeen".