70518743 has 2 divisors, whose sum is σ = 70518744. Its totient is φ = 70518742.

The previous prime is 70518739. The next prime is 70518751. The reversal of 70518743 is 34781507.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70518743 - 2² = 70518739 is a prime.

It is a super-2 number, since 2×70518743² = 9945786228600098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70518733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35259371 + 35259372.

It is an arithmetic number, because the mean of its divisors is an integer number (35259372).

Almost surely, 2^70518743 is an apocalyptic number.

70518743 is a deficient number, since it is larger than the sum of its proper divisors (1).

70518743 is an equidigital number, since it uses as much as digits as its factorization.

70518743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 70518743 is about 8397.5438671078. The cubic root of 70518743 is about 413.1440673687.

The spelling of 70518743 in words is "seventy million, five hundred eighteen thousand, seven hundred forty-three".