733281 has 8 divisors (see below), whose sum is σ = 993984. Its totient is φ = 480720.

The previous prime is 733277. The next prime is 733283. The reversal of 733281 is 182337.

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

It is not a de Polignac number, because 733281 - 2² = 733277 is a prime.

It is a super-2 number, since 2×733281² = 1075402049922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (733283) 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, 1821 + ... + 2186.

It is an arithmetic number, because the mean of its divisors is an integer number (124248).

2⁷³³²⁸¹ is an apocalyptic number.

It is an amenable number.

733281 is a deficient number, since it is larger than the sum of its proper divisors (260703).

733281 is a wasteful number, since it uses less digits than its factorization.

733281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071.

The product of its digits is 1008, while the sum is 24.

The square root of 733281 is about 856.3182819489. The cubic root of 733281 is about 90.1758291061.

The spelling of 733281 in words is "seven hundred thirty-three thousand, two hundred eighty-one".