70800613 has 4 divisors (see below), whose sum is σ = 76246828. Its totient is φ = 65354400.

The previous prime is 70800607. The next prime is 70800713. The reversal of 70800613 is 31600807.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18122049 + 52678564 = 4257^2 + 7258^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70800613 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 (70800113) 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, 2723088 + ... + 2723113.

It is an arithmetic number, because the mean of its divisors is an integer number (19061707).

Almost surely, 2^70800613 is an apocalyptic number.

It is an amenable number.

70800613 is a deficient number, since it is larger than the sum of its proper divisors (5446215).

70800613 is a wasteful number, since it uses less digits than its factorization.

70800613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5446214.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 70800613 is about 8414.3100133047. The cubic root of 70800613 is about 413.6937940524.

The spelling of 70800613 in words is "seventy million, eight hundred thousand, six hundred thirteen".