70418791 has 2 divisors, whose sum is σ = 70418792. Its totient is φ = 70418790.

The previous prime is 70418767. The next prime is 70418813. The reversal of 70418791 is 19781407.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70418791 - 2⁵ = 70418759 is a prime.

It is a super-2 number, since 2×70418791² = 9917612251803362, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70418791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70412791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35209395 + 35209396.

It is an arithmetic number, because the mean of its divisors is an integer number (35209396).

Almost surely, 2^70418791 is an apocalyptic number.

70418791 is a deficient number, since it is larger than the sum of its proper divisors (1).

70418791 is an equidigital number, since it uses as much as digits as its factorization.

70418791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 70418791 is about 8391.5904928684. The cubic root of 70418791 is about 412.9487807470.

The spelling of 70418791 in words is "seventy million, four hundred eighteen thousand, seven hundred ninety-one".