732000081 has 8 divisors (see below), whose sum is σ = 976397344. Its totient is φ = 487801440.

The previous prime is 732000077. The next prime is 732000083. The reversal of 732000081 is 180000237.

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

It is not a de Polignac number, because 732000081 - 2² = 732000077 is a prime.

It is a super-2 number, since 2×732000081² = 1071648237168013122, which contains 22 as substring.

It is the 27056-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (732000083) by changing a digit.

It is a nontrivial repunit in base 27055.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40831 + ... + 55956.

It is an arithmetic number, because the mean of its divisors is an integer number (122049668).

Almost surely, 2^732000081 is an apocalyptic number.

It is an amenable number.

732000081 is a deficient number, since it is larger than the sum of its proper divisors (244397263).

732000081 is a wasteful number, since it uses less digits than its factorization.

732000081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99311.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 732000081 is about 27055.5000138604. The cubic root of 732000081 is about 901.2329114958.

The spelling of 732000081 in words is "seven hundred thirty-two million, eighty-one", and thus it is an aban number.