70830860 has 24 divisors (see below), whose sum is σ = 156574320. Its totient is φ = 26841024.

The previous prime is 70830853. The next prime is 70830863. The reversal of 70830860 is 6803807.

It is not an unprimeable number, because it can be changed into a prime (70830863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92819 + ... + 93578.

It is an arithmetic number, because the mean of its divisors is an integer number (6523930).

Almost surely, 2^70830860 is an apocalyptic number.

It is an amenable number.

70830860 is an abundant number, since it is smaller than the sum of its proper divisors (85743460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70830860 is a wasteful number, since it uses less digits than its factorization.

70830860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186425 (or 186423 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 70830860 is about 8416.1071761237. The cubic root of 70830860 is about 413.7526975664.

The spelling of 70830860 in words is "seventy million, eight hundred thirty thousand, eight hundred sixty".