23494729 has 8 divisors (see below), whose sum is σ = 23768640. Its totient is φ = 23222736.

The previous prime is 23494717. The next prime is 23494733. The reversal of 23494729 is 92749432.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23494729 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23494691 and 23494700.

It is not an unprimeable number, because it can be changed into a prime (23494769) 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, 44662 + ... + 45184.

It is an arithmetic number, because the mean of its divisors is an integer number (2971080).

Almost surely, 2^23494729 is an apocalyptic number.

It is an amenable number.

23494729 is a deficient number, since it is larger than the sum of its proper divisors (273911).

23494729 is a wasteful number, since it uses less digits than its factorization.

23494729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959.

The product of its digits is 108864, while the sum is 40.

The square root of 23494729 is about 4847.1361647884. The cubic root of 23494729 is about 286.4112987815.

The spelling of 23494729 in words is "twenty-three million, four hundred ninety-four thousand, seven hundred twenty-nine".