70934491 has 2 divisors, whose sum is σ = 70934492. Its totient is φ = 70934490.

The previous prime is 70934459. The next prime is 70934527. The reversal of 70934491 is 19443907.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70934491 - 2⁵ = 70934459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70934491.

It is not a weakly prime, because it can be changed into another prime (70934401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35467245 + 35467246.

It is an arithmetic number, because the mean of its divisors is an integer number (35467246).

Almost surely, 2^70934491 is an apocalyptic number.

70934491 is a deficient number, since it is larger than the sum of its proper divisors (1).

70934491 is an equidigital number, since it uses as much as digits as its factorization.

70934491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 70934491 is about 8422.2616321271. The cubic root of 70934491 is about 413.9543832521.

The spelling of 70934491 in words is "seventy million, nine hundred thirty-four thousand, four hundred ninety-one".