766752481 has 16 divisors (see below), whose sum is σ = 869216256. Its totient is φ = 670050000.

The previous prime is 766752473. The next prime is 766752487. The reversal of 766752481 is 184257667.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 766752481 - 2³ = 766752473 is a prime.

It is a super-2 number, since 2×766752481² = 1175818734239310722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (766752487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44046 + ... + 58936.

It is an arithmetic number, because the mean of its divisors is an integer number (54326016).

Almost surely, 2^766752481 is an apocalyptic number.

It is an amenable number.

766752481 is a deficient number, since it is larger than the sum of its proper divisors (102463775).

766752481 is a wasteful number, since it uses less digits than its factorization.

766752481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15084.

The product of its digits is 564480, while the sum is 46.

The square root of 766752481 is about 27690.2957911251. The cubic root of 766752481 is about 915.2752736621.

The spelling of 766752481 in words is "seven hundred sixty-six million, seven hundred fifty-two thousand, four hundred eighty-one".