70695073 has 2 divisors, whose sum is σ = 70695074. Its totient is φ = 70695072.

The previous prime is 70695071. The next prime is 70695089. The reversal of 70695073 is 37059607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70677649 + 17424 = 8407^2 + 132^2 .

It is a cyclic number.

It is not a de Polignac number, because 70695073 - 2¹ = 70695071 is a prime.

Together with 70695071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (70695071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35347536 + 35347537.

It is an arithmetic number, because the mean of its divisors is an integer number (35347537).

Almost surely, 2^70695073 is an apocalyptic number.

It is an amenable number.

70695073 is a deficient number, since it is larger than the sum of its proper divisors (1).

70695073 is an equidigital number, since it uses as much as digits as its factorization.

70695073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 70695073 is about 8408.0362154310. The cubic root of 70695073 is about 413.4881321995.

The spelling of 70695073 in words is "seventy million, six hundred ninety-five thousand, seventy-three".