972723 has 8 divisors (see below), whose sum is σ = 1373328. Its totient is φ = 610304.

The previous prime is 972721. The next prime is 972787. The reversal of 972723 is 327279.

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

It is a cyclic number.

It is not a de Polignac number, because 972723 - 2¹ = 972721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (972721) 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, 9486 + ... + 9587.

It is an arithmetic number, because the mean of its divisors is an integer number (171666).

2⁹⁷²⁷²³ is an apocalyptic number.

972723 is a deficient number, since it is larger than the sum of its proper divisors (400605).

972723 is a wasteful number, since it uses less digits than its factorization.

972723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19093.

The product of its digits is 5292, while the sum is 30.

The square root of 972723 is about 986.2672051731. The cubic root of 972723 is about 99.0823720114.

The spelling of 972723 in words is "nine hundred seventy-two thousand, seven hundred twenty-three".