223472739 has 8 divisors (see below), whose sum is σ = 340529920. Its totient is φ = 127698696.

The previous prime is 223472731. The next prime is 223472741. The reversal of 223472739 is 937274322.

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

It is not a de Polignac number, because 223472739 - 2³ = 223472731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223472697 and 223472706.

It is not an unprimeable number, because it can be changed into a prime (223472731) 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, 5320759 + ... + 5320800.

It is an arithmetic number, because the mean of its divisors is an integer number (42566240).

Almost surely, 2^223472739 is an apocalyptic number.

223472739 is a deficient number, since it is larger than the sum of its proper divisors (117057181).

223472739 is a wasteful number, since it uses less digits than its factorization.

223472739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10641569.

The product of its digits is 127008, while the sum is 39.

The square root of 223472739 is about 14949.0046156926. The cubic root of 223472739 is about 606.8409096103.

The spelling of 223472739 in words is "two hundred twenty-three million, four hundred seventy-two thousand, seven hundred thirty-nine".