71697342 has 32 divisors (see below), whose sum is σ = 148488192. Its totient is φ = 23061024.

The previous prime is 71697337. The next prime is 71697349. The reversal of 71697342 is 24379617.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 71697342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71697349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26923 + ... + 29465.

It is an arithmetic number, because the mean of its divisors is an integer number (4640256).

Almost surely, 2^71697342 is an apocalyptic number.

71697342 is an abundant number, since it is smaller than the sum of its proper divisors (76790850).

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

71697342 is a wasteful number, since it uses less digits than its factorization.

71697342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712.

The product of its digits is 63504, while the sum is 39.

The square root of 71697342 is about 8467.4282990764. The cubic root of 71697342 is about 415.4330255334.

The spelling of 71697342 in words is "seventy-one million, six hundred ninety-seven thousand, three hundred forty-two".