70535071 has 4 divisors (see below), whose sum is σ = 71428000. Its totient is φ = 69642144.

The previous prime is 70535053. The next prime is 70535077. The reversal of 70535071 is 17053507.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17053507 = 19 ⋅897553.

It is a cyclic number.

It is not a de Polignac number, because 70535071 - 2⁷ = 70534943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70535077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446346 + ... + 446503.

It is an arithmetic number, because the mean of its divisors is an integer number (17857000).

Almost surely, 2^70535071 is an apocalyptic number.

70535071 is a deficient number, since it is larger than the sum of its proper divisors (892929).

70535071 is an equidigital number, since it uses as much as digits as its factorization.

70535071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892928.

The product of its (nonzero) digits is 3675, while the sum is 28.

The square root of 70535071 is about 8398.5159998657. The cubic root of 70535071 is about 413.1759515434.

Adding to 70535071 its reverse (17053507), we get a palindrome (87588578).

The spelling of 70535071 in words is "seventy million, five hundred thirty-five thousand, seventy-one".