70669135 has 4 divisors (see below), whose sum is σ = 84802968. Its totient is φ = 56535304.

The previous prime is 70669103. The next prime is 70669141. The reversal of 70669135 is 53196607.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70669135 - 2⁵ = 70669103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70669094 and 70669103.

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, 7066909 + ... + 7066918.

It is an arithmetic number, because the mean of its divisors is an integer number (21200742).

Almost surely, 2^70669135 is an apocalyptic number.

70669135 is a deficient number, since it is larger than the sum of its proper divisors (14133833).

70669135 is a wasteful number, since it uses less digits than its factorization.

70669135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14133832.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 70669135 is about 8406.4936210051. The cubic root of 70669135 is about 413.4375564584.

The spelling of 70669135 in words is "seventy million, six hundred sixty-nine thousand, one hundred thirty-five".