766072243 has 8 divisors (see below), whose sum is σ = 779007680. Its totient is φ = 753217920.

The previous prime is 766072189. The next prime is 766072259. The reversal of 766072243 is 342270667.

It is a happy number.

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 766072243 - 2²⁹ = 229201331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (766012243) 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 7 ways as a sum of consecutive naturals, for example, 1080 + ... + 39157.

It is an arithmetic number, because the mean of its divisors is an integer number (97375960).

Almost surely, 2^766072243 is an apocalyptic number.

766072243 is a deficient number, since it is larger than the sum of its proper divisors (12935437).

766072243 is a wasteful number, since it uses less digits than its factorization.

766072243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40557.

The product of its (nonzero) digits is 84672, while the sum is 37.

The square root of 766072243 is about 27678.0100982712. The cubic root of 766072243 is about 915.0045260409.

The spelling of 766072243 in words is "seven hundred sixty-six million, seventy-two thousand, two hundred forty-three".