764829481 has 4 divisors (see below), whose sum is σ = 823662532. Its totient is φ = 705996432.

The previous prime is 764829467. The next prime is 764829491. The reversal of 764829481 is 184928467.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 184928467 = 2473 ⋅74779.

It can be written as a sum of positive squares in 2 ways, for example, as 65755881 + 699073600 = 8109^2 + 26440^2 .

It is a cyclic number.

It is not a de Polignac number, because 764829481 - 2⁷ = 764829353 is a prime.

It is a super-2 number, since 2×764829481² = 1169928270013458722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (764829431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29416506 + ... + 29416531.

It is an arithmetic number, because the mean of its divisors is an integer number (205915633).

Almost surely, 2^764829481 is an apocalyptic number.

It is an amenable number.

764829481 is a deficient number, since it is larger than the sum of its proper divisors (58833051).

764829481 is a wasteful number, since it uses less digits than its factorization.

764829481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58833050.

The product of its digits is 774144, while the sum is 49.

The square root of 764829481 is about 27655.5506363551. The cubic root of 764829481 is about 914.5094690254.

The spelling of 764829481 in words is "seven hundred sixty-four million, eight hundred twenty-nine thousand, four hundred eighty-one".