70908223 has 4 divisors (see below), whose sum is σ = 72246168. Its totient is φ = 69570280.

The previous prime is 70908199. The next prime is 70908259. The reversal of 70908223 is 32280907.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70908223 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 (70908263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668893 + ... + 668998.

It is an arithmetic number, because the mean of its divisors is an integer number (18061542).

Almost surely, 2^70908223 is an apocalyptic number.

70908223 is a deficient number, since it is larger than the sum of its proper divisors (1337945).

70908223 is a wasteful number, since it uses less digits than its factorization.

70908223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337944.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 70908223 is about 8420.7020491168. The cubic root of 70908223 is about 413.9032793105.

The spelling of 70908223 in words is "seventy million, nine hundred eight thousand, two hundred twenty-three".