75338681 has 8 divisors (see below), whose sum is σ = 82255584. Its totient is φ = 68433120.

The previous prime is 75338671. The next prime is 75338687. The reversal of 75338681 is 18683357.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75338681 is a prime.

It is a super-2 number, since 2×75338681² = 11351833709639522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75338687) 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, 17330 + ... + 21236.

It is an arithmetic number, because the mean of its divisors is an integer number (10281948).

Almost surely, 2^75338681 is an apocalyptic number.

It is an amenable number.

75338681 is a deficient number, since it is larger than the sum of its proper divisors (6916903).

75338681 is a wasteful number, since it uses less digits than its factorization.

75338681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5671.

The product of its digits is 120960, while the sum is 41.

The square root of 75338681 is about 8679.7857692457. The cubic root of 75338681 is about 422.3501675680.

The spelling of 75338681 in words is "seventy-five million, three hundred thirty-eight thousand, six hundred eighty-one".