71700312 has 32 divisors (see below), whose sum is σ = 179640000. Its totient is φ = 23848224.

The previous prime is 71700311. The next prime is 71700329. The reversal of 71700312 is 21300717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71700311) 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, 8983 + ... + 14969.

It is an arithmetic number, because the mean of its divisors is an integer number (5613750).

Almost surely, 2^71700312 is an apocalyptic number.

It is an amenable number.

71700312 is an abundant number, since it is smaller than the sum of its proper divisors (107939688).

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

71700312 is a wasteful number, since it uses less digits than its factorization.

71700312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6495 (or 6491 counting only the distinct ones).

The product of its (nonzero) digits is 294, while the sum is 21.

The square root of 71700312 is about 8467.6036751846. The cubic root of 71700312 is about 415.4387617714.

The spelling of 71700312 in words is "seventy-one million, seven hundred thousand, three hundred twelve".