733312081 has 8 divisors (see below), whose sum is σ = 747558720. Its totient is φ = 719080752.

The previous prime is 733312079. The next prime is 733312093. The reversal of 733312081 is 180213337.

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

It is a cyclic number.

It is not a de Polignac number, because 733312081 - 2¹ = 733312079 is a prime.

It is a super-2 number, since 2×733312081² = 1075493216281101122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (733312981) 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, 157716 + ... + 162298.

It is an arithmetic number, because the mean of its divisors is an integer number (93444840).

Almost surely, 2^733312081 is an apocalyptic number.

It is an amenable number.

733312081 is a deficient number, since it is larger than the sum of its proper divisors (14246639).

733312081 is a wasteful number, since it uses less digits than its factorization.

733312081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7655.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 733312081 is about 27079.7356154007. The cubic root of 733312081 is about 901.7710315853.

The spelling of 733312081 in words is "seven hundred thirty-three million, three hundred twelve thousand, eighty-one".