96731581 has 8 divisors (see below), whose sum is σ = 102865464. Its totient is φ = 90647040.

The previous prime is 96731573. The next prime is 96731611. The reversal of 96731581 is 18513769.

It can be written as a sum of positive squares in 4 ways, for example, as 4356 + 96727225 = 66^2 + 9835^2 .

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 96731581 - 2³ = 96731573 is a prime.

It is a super-2 number, since 2×96731581² = 18713997525519122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (96731281) 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, 8250 + ... + 16171.

It is an arithmetic number, because the mean of its divisors is an integer number (12858183).

Almost surely, 2^96731581 is an apocalyptic number.

It is an amenable number.

96731581 is a deficient number, since it is larger than the sum of its proper divisors (6133883).

96731581 is a wasteful number, since it uses less digits than its factorization.

96731581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24671.

The product of its digits is 45360, while the sum is 40.

The square root of 96731581 is about 9835.2214514977. The cubic root of 96731581 is about 459.0458815320.

The spelling of 96731581 in words is "ninety-six million, seven hundred thirty-one thousand, five hundred eighty-one".