76385281 has 8 divisors (see below), whose sum is σ = 87550400. Its totient is φ = 65283408.

The previous prime is 76385171. The next prime is 76385291. The reversal of 76385281 is 18258367.

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 76385281 - 2¹¹ = 76383233 is a prime.

It is a super-2 number, since 2×76385281² = 11669422306897922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76385291) 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, 13191 + ... + 18076.

It is an arithmetic number, because the mean of its divisors is an integer number (10943800).

Almost surely, 2^76385281 is an apocalyptic number.

It is an amenable number.

76385281 is a deficient number, since it is larger than the sum of its proper divisors (11165119).

76385281 is a wasteful number, since it uses less digits than its factorization.

76385281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31623.

The product of its digits is 80640, while the sum is 40.

The square root of 76385281 is about 8739.8673330892. The cubic root of 76385281 is about 424.2969340027.

The spelling of 76385281 in words is "seventy-six million, three hundred eighty-five thousand, two hundred eighty-one".