972742 has 8 divisors (see below), whose sum is σ = 1469232. Its totient is φ = 483000.

The previous prime is 972721. The next prime is 972787. The reversal of 972742 is 247279.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1309 + ... + 1912.

It is an arithmetic number, because the mean of its divisors is an integer number (183654).

2⁹⁷²⁷⁴² is an apocalyptic number.

972742 is a deficient number, since it is larger than the sum of its proper divisors (496490).

972742 is a wasteful number, since it uses less digits than its factorization.

972742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374.

The product of its digits is 7056, while the sum is 31.

The square root of 972742 is about 986.2768374042. The cubic root of 972742 is about 99.0830171258.

The spelling of 972742 in words is "nine hundred seventy-two thousand, seven hundred forty-two".