9621723 has 8 divisors (see below), whose sum is σ = 13127488. Its totient is φ = 6265224.

The previous prime is 9621709. The next prime is 9621743. The reversal of 9621723 is 3271269.

9621723 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 9621723 - 2¹³ = 9613531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9621743) 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, 37165 + ... + 37422.

It is an arithmetic number, because the mean of its divisors is an integer number (1640936).

Almost surely, 2^9621723 is an apocalyptic number.

9621723 is a deficient number, since it is larger than the sum of its proper divisors (3505765).

9621723 is a wasteful number, since it uses less digits than its factorization.

9621723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74633.

The product of its digits is 4536, while the sum is 30.

The square root of 9621723 is about 3101.8902301661. The cubic root of 9621723 is about 212.6918995467.

The spelling of 9621723 in words is "nine million, six hundred twenty-one thousand, seven hundred twenty-three".