70808135 has 4 divisors (see below), whose sum is σ = 84969768. Its totient is φ = 56646504.

The previous prime is 70808113. The next prime is 70808161. The reversal of 70808135 is 53180807.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53180807 = 23 ⋅2312209.

It is a cyclic number.

It is not a de Polignac number, because 70808135 - 2¹⁶ = 70742599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7080809 + ... + 7080818.

It is an arithmetic number, because the mean of its divisors is an integer number (21242442).

Almost surely, 2^70808135 is an apocalyptic number.

70808135 is a deficient number, since it is larger than the sum of its proper divisors (14161633).

70808135 is a wasteful number, since it uses less digits than its factorization.

70808135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14161632.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 70808135 is about 8414.7569780713. The cubic root of 70808135 is about 413.7084440881.

The spelling of 70808135 in words is "seventy million, eight hundred eight thousand, one hundred thirty-five".