71386704 has 40 divisors (see below), whose sum is σ = 204907520. Its totient is φ = 23795424.

The previous prime is 71386703. The next prime is 71386709. The reversal of 71386704 is 40768317.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71386703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82192 + ... + 83055.

It is an arithmetic number, because the mean of its divisors is an integer number (5122688).

Almost surely, 2^71386704 is an apocalyptic number.

It is an amenable number.

71386704 is an abundant number, since it is smaller than the sum of its proper divisors (133520816).

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

71386704 is a wasteful number, since it uses less digits than its factorization.

71386704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165264 (or 165252 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 71386704 is about 8449.0652737448. The cubic root of 71386704 is about 414.8321845319.

The spelling of 71386704 in words is "seventy-one million, three hundred eighty-six thousand, seven hundred four".