70930205 has 16 divisors (see below), whose sum is σ = 92325744. Its totient is φ = 52101120.

The previous prime is 70930187. The next prime is 70930217. The reversal of 70930205 is 50203907.

It can be written as a sum of positive squares in 8 ways, for example, as 5044516 + 65885689 = 2246^2 + 8117^2 .

It is a de Polignac number, because none of the positive numbers 2^k-70930205 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 15 ways as a sum of consecutive naturals, for example, 6692 + ... + 13661.

It is an arithmetic number, because the mean of its divisors is an integer number (5770359).

Almost surely, 2^70930205 is an apocalyptic number.

It is an amenable number.

70930205 is a deficient number, since it is larger than the sum of its proper divisors (21395539).

70930205 is a wasteful number, since it uses less digits than its factorization.

70930205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20416.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 70930205 is about 8422.0071835638. The cubic root of 70930205 is about 413.9460457744.

The spelling of 70930205 in words is "seventy million, nine hundred thirty thousand, two hundred five".