70670735 has 4 divisors (see below), whose sum is σ = 84804888. Its totient is φ = 56536584.

The previous prime is 70670723. The next prime is 70670741. The reversal of 70670735 is 53707607.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53707607 = 17 ⋅3159271.

It is a cyclic number.

It is not a de Polignac number, because 70670735 - 2¹⁴ = 70654351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70670695 and 70670704.

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, 7067069 + ... + 7067078.

It is an arithmetic number, because the mean of its divisors is an integer number (21201222).

Almost surely, 2^70670735 is an apocalyptic number.

70670735 is a deficient number, since it is larger than the sum of its proper divisors (14134153).

70670735 is a wasteful number, since it uses less digits than its factorization.

70670735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14134152.

The product of its (nonzero) digits is 30870, while the sum is 35.

The square root of 70670735 is about 8406.5887849948. The cubic root of 70670735 is about 413.4406766093.

The spelling of 70670735 in words is "seventy million, six hundred seventy thousand, seven hundred thirty-five".