70330109 has 2 divisors, whose sum is σ = 70330110. Its totient is φ = 70330108.

The previous prime is 70330093. The next prime is 70330147. The reversal of 70330109 is 90103307.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52606009 + 17724100 = 7253^2 + 4210^2 .

It is a cyclic number.

It is not a de Polignac number, because 70330109 - 2⁴ = 70330093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70330199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35165054 + 35165055.

It is an arithmetic number, because the mean of its divisors is an integer number (35165055).

Almost surely, 2^70330109 is an apocalyptic number.

It is an amenable number.

70330109 is a deficient number, since it is larger than the sum of its proper divisors (1).

70330109 is an equidigital number, since it uses as much as digits as its factorization.

70330109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567, while the sum is 23.

The square root of 70330109 is about 8386.3048477861. The cubic root of 70330109 is about 412.7753587244.

The spelling of 70330109 in words is "seventy million, three hundred thirty thousand, one hundred nine".