23072735 has 8 divisors (see below), whose sum is σ = 31642656. Its totient is φ = 15821280.

The previous prime is 23072729. The next prime is 23072737. The reversal of 23072735 is 53727032.

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

It is not a de Polignac number, because 23072735 - 2⁶ = 23072671 is a prime.

It is a super-2 number, since 2×23072735² = 1064702200760450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23072698 and 23072707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23072737) 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, 329576 + ... + 329645.

It is an arithmetic number, because the mean of its divisors is an integer number (3955332).

Almost surely, 2^23072735 is an apocalyptic number.

23072735 is a deficient number, since it is larger than the sum of its proper divisors (8569921).

23072735 is an equidigital number, since it uses as much as digits as its factorization.

23072735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659233.

The product of its (nonzero) digits is 8820, while the sum is 29.

The square root of 23072735 is about 4803.4086855066. The cubic root of 23072735 is about 284.6861632048.

Adding to 23072735 its reverse (53727032), we get a palindrome (76799767).

The spelling of 23072735 in words is "twenty-three million, seventy-two thousand, seven hundred thirty-five".