333725729 has 4 divisors (see below), whose sum is σ = 333789060. Its totient is φ = 333662400.

The previous prime is 333725701. The next prime is 333725731. The reversal of 333725729 is 927527333.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 310464400 + 23261329 = 17620^2 + 4823^2 .

It is a cyclic number.

It is not a de Polignac number, because 333725729 - 2¹⁶ = 333660193 is a prime.

It is a super-2 number, since 2×333725729² = 222745724393162882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (333725779) 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, 22964 + ... + 34565.

It is an arithmetic number, because the mean of its divisors is an integer number (83447265).

Almost surely, 2^333725729 is an apocalyptic number.

It is an amenable number.

333725729 is a deficient number, since it is larger than the sum of its proper divisors (63331).

333725729 is an equidigital number, since it uses as much as digits as its factorization.

333725729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63330.

The product of its digits is 238140, while the sum is 41.

The square root of 333725729 is about 18268.1616206995. The cubic root of 333725729 is about 693.6332396200.

The spelling of 333725729 in words is "three hundred thirty-three million, seven hundred twenty-five thousand, seven hundred twenty-nine".