766152481 has 4 divisors (see below), whose sum is σ = 811220292. Its totient is φ = 721084672.

The previous prime is 766152461. The next prime is 766152509. The reversal of 766152481 is 184251667.

766152481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 356454400 + 409698081 = 18880^2 + 20241^2 .

It is a cyclic number.

It is not a de Polignac number, because 766152481 - 2⁷ = 766152353 is a prime.

It is a super-2 number, since 2×766152481² = 1173979248284910722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (766152461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22533880 + ... + 22533913.

It is an arithmetic number, because the mean of its divisors is an integer number (202805073).

Almost surely, 2^766152481 is an apocalyptic number.

It is an amenable number.

766152481 is a deficient number, since it is larger than the sum of its proper divisors (45067811).

766152481 is a wasteful number, since it uses less digits than its factorization.

766152481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45067810.

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

The square root of 766152481 is about 27679.4595503597. The cubic root of 766152481 is about 915.0364706217.

The spelling of 766152481 in words is "seven hundred sixty-six million, one hundred fifty-two thousand, four hundred eighty-one".