70345141 has 2 divisors, whose sum is σ = 70345142. Its totient is φ = 70345140.

The previous prime is 70345123. The next prime is 70345147. The reversal of 70345141 is 14154307.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54908100 + 15437041 = 7410^2 + 3929^2 .

It is a cyclic number.

It is not a de Polignac number, because 70345141 - 2⁷ = 70345013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70345147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35172570 + 35172571.

It is an arithmetic number, because the mean of its divisors is an integer number (35172571).

Almost surely, 2^70345141 is an apocalyptic number.

It is an amenable number.

70345141 is a deficient number, since it is larger than the sum of its proper divisors (1).

70345141 is an equidigital number, since it uses as much as digits as its factorization.

70345141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 70345141 is about 8387.2010229873. The cubic root of 70345141 is about 412.8047647985.

Adding to 70345141 its reverse (14154307), we get a palindrome (84499448).

The spelling of 70345141 in words is "seventy million, three hundred forty-five thousand, one hundred forty-one".