71700812 has 12 divisors (see below), whose sum is σ = 127603560. Its totient is φ = 35242656.

The previous prime is 71700779. The next prime is 71700817. The reversal of 71700812 is 21800717.

It is not an unprimeable number, because it can be changed into a prime (71700817) 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, 151673 + ... + 152144.

It is an arithmetic number, because the mean of its divisors is an integer number (10633630).

Almost surely, 2^71700812 is an apocalyptic number.

It is an amenable number.

71700812 is a deficient number, since it is larger than the sum of its proper divisors (55902748).

71700812 is a wasteful number, since it uses less digits than its factorization.

71700812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303880 (or 303878 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 26.

The square root of 71700812 is about 8467.6331994247. The cubic root of 71700812 is about 415.4397274524.

The spelling of 71700812 in words is "seventy-one million, seven hundred thousand, eight hundred twelve".