70930083 has 16 divisors (see below), whose sum is σ = 108366336. Its totient is φ = 40425600.

The previous prime is 70930049. The next prime is 70930087. The reversal of 70930083 is 38003907.

It is a Cunningham number, because it is equal to 8422²-1.

It is not a de Polignac number, because 70930083 - 2¹⁴ = 70913699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70930083.

It is not an unprimeable number, because it can be changed into a prime (70930087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4210 + ... + 12632.

It is an arithmetic number, because the mean of its divisors is an integer number (6772896).

Almost surely, 2^70930083 is an apocalyptic number.

70930083 is a deficient number, since it is larger than the sum of its proper divisors (37436253).

70930083 is a wasteful number, since it uses less digits than its factorization.

70930083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8834.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 70930083 is about 8421.9999406317. Note that the first 4 decimals coincide. The cubic root of 70930083 is about 413.9458084451.

The spelling of 70930083 in words is "seventy million, nine hundred thirty thousand, eighty-three".