70036805 has 8 divisors (see below), whose sum is σ = 84480792. Its totient is φ = 55738368.

The previous prime is 70036789. The next prime is 70036823. The reversal of 70036805 is 50863007.

70036805 = 16² + 17² + ... + 594².

It can be written as a sum of positive squares in 4 ways, for example, as 264196 + 69772609 = 514^2 + 8353^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70036805 - 2⁴ = 70036789 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 7 ways as a sum of consecutive naturals, for example, 35324 + ... + 37253.

It is an arithmetic number, because the mean of its divisors is an integer number (10560099).

Almost surely, 2^70036805 is an apocalyptic number.

It is an amenable number.

70036805 is a deficient number, since it is larger than the sum of its proper divisors (14443987).

70036805 is a wasteful number, since it uses less digits than its factorization.

70036805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72775.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 70036805 is about 8368.7994957461. The cubic root of 70036805 is about 412.2007477565.

The spelling of 70036805 in words is "seventy million, thirty-six thousand, eight hundred five".