732581481 has 12 divisors (see below), whose sum is σ = 1001187056. Its totient is φ = 476472480.

The previous prime is 732581471. The next prime is 732581519. The reversal of 732581481 is 184185237.

It is not a de Polignac number, because 732581481 - 2⁹ = 732580969 is a prime.

It is a super-2 number, since 2×732581481² = 1073351252608306722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (732581471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67591 + ... + 77676.

Almost surely, 2^732581481 is an apocalyptic number.

It is an amenable number.

732581481 is a deficient number, since it is larger than the sum of its proper divisors (268605575).

732581481 is a wasteful number, since it uses less digits than its factorization.

732581481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145352 (or 145311 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The square root of 732581481 is about 27066.2424617825. The cubic root of 732581481 is about 901.4714534325.

The spelling of 732581481 in words is "seven hundred thirty-two million, five hundred eighty-one thousand, four hundred eighty-one".