8972723 has 4 divisors (see below), whose sum is σ = 9163680. Its totient is φ = 8781768.

The previous prime is 8972701. The next prime is 8972749. The reversal of 8972723 is 3272798.

8972723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8972723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8972023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95408 + ... + 95501.

It is an arithmetic number, because the mean of its divisors is an integer number (2290920).

Almost surely, 2^8972723 is an apocalyptic number.

8972723 is a deficient number, since it is larger than the sum of its proper divisors (190957).

8972723 is a wasteful number, since it uses less digits than its factorization.

8972723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190956.

The product of its digits is 42336, while the sum is 38.

The square root of 8972723 is about 2995.4503834983. The cubic root of 8972723 is about 207.7980272545.

The spelling of 8972723 in words is "eight million, nine hundred seventy-two thousand, seven hundred twenty-three".