93472681 has 8 divisors (see below), whose sum is σ = 99243144. Its totient is φ = 87732480.

The previous prime is 93472663. The next prime is 93472703. The reversal of 93472681 is 18627439.

It can be written as a sum of positive squares in 4 ways, for example, as 54834025 + 38638656 = 7405^2 + 6216^2 .

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 93472681 - 2²³ = 85084073 is a prime.

It is a super-2 number, since 2×93472681² = 17474284186655522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (93472081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1030 + ... + 13711.

It is an arithmetic number, because the mean of its divisors is an integer number (12405393).

Almost surely, 2^93472681 is an apocalyptic number.

It is an amenable number.

93472681 is a deficient number, since it is larger than the sum of its proper divisors (5770463).

93472681 is a wasteful number, since it uses less digits than its factorization.

93472681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15131.

The product of its digits is 72576, while the sum is 40.

The square root of 93472681 is about 9668.1270678451. The cubic root of 93472681 is about 453.8317750857.

The spelling of 93472681 in words is "ninety-three million, four hundred seventy-two thousand, six hundred eighty-one".