70475143 has 2 divisors, whose sum is σ = 70475144. Its totient is φ = 70475142.

The previous prime is 70475117. The next prime is 70475177. The reversal of 70475143 is 34157407.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70475143 - 2¹³ = 70466951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70475113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35237571 + 35237572.

It is an arithmetic number, because the mean of its divisors is an integer number (35237572).

Almost surely, 2^70475143 is an apocalyptic number.

70475143 is a deficient number, since it is larger than the sum of its proper divisors (1).

70475143 is an equidigital number, since it uses as much as digits as its factorization.

70475143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 70475143 is about 8394.9474685670. The cubic root of 70475143 is about 413.0589042183.

The spelling of 70475143 in words is "seventy million, four hundred seventy-five thousand, one hundred forty-three".