76648481 has 8 divisors (see below), whose sum is σ = 94336704. Its totient is φ = 60644880.

The previous prime is 76648477. The next prime is 76648519. The reversal of 76648481 is 18484667.

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 76648481 - 2² = 76648477 is a prime.

It is a super-2 number, since 2×76648481² = 11749979279214722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (76648471) 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, 421055 + ... + 421236.

It is an arithmetic number, because the mean of its divisors is an integer number (11792088).

Almost surely, 2^76648481 is an apocalyptic number.

It is an amenable number.

76648481 is a deficient number, since it is larger than the sum of its proper divisors (17688223).

76648481 is a wasteful number, since it uses less digits than its factorization.

76648481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842311.

The product of its digits is 258048, while the sum is 44.

The square root of 76648481 is about 8754.9118213720. The cubic root of 76648481 is about 424.7837072431.

The spelling of 76648481 in words is "seventy-six million, six hundred forty-eight thousand, four hundred eighty-one".