971742 has 8 divisors (see below), whose sum is σ = 1943496. Its totient is φ = 323912.

The previous prime is 971723. The next prime is 971753. The reversal of 971742 is 247179.

971742 is nontrivially palindromic in base 16.

It is a sphenic number, since it is the product of 3 distinct primes.

971742 is an admirable number.

It is a congruent number.

It is an unprimeable number.

971742 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80973 + ... + 80984.

It is an arithmetic number, because the mean of its divisors is an integer number (242937).

2⁹⁷¹⁷⁴² is an apocalyptic number.

971742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

971742 is a wasteful number, since it uses less digits than its factorization.

971742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161962.

The product of its digits is 3528, while the sum is 30.

The square root of 971742 is about 985.7697499924. The cubic root of 971742 is about 99.0490523165.

The spelling of 971742 in words is "nine hundred seventy-one thousand, seven hundred forty-two".