729773012 has 24 divisors (see below), whose sum is σ = 1299994920. Its totient is φ = 358364160.

The previous prime is 729772997. The next prime is 729773027. The reversal of 729773012 is 210377927.

It is an interprime number because it is at equal distance from previous prime (729772997) and next prime (729773027).

It can be written as a sum of positive squares in 4 ways, for example, as 3147076 + 726625936 = 1774^2 + 26956^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195548 + ... + 199244.

It is an arithmetic number, because the mean of its divisors is an integer number (54166455).

Almost surely, 2^729773012 is an apocalyptic number.

It is an amenable number.

729773012 is a deficient number, since it is larger than the sum of its proper divisors (570221908).

729773012 is a wasteful number, since it uses less digits than its factorization.

729773012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4571 (or 4569 counting only the distinct ones).

The product of its (nonzero) digits is 37044, while the sum is 38.

The square root of 729773012 is about 27014.3112442276. The cubic root of 729773012 is about 900.3179995612.

The spelling of 729773012 in words is "seven hundred twenty-nine million, seven hundred seventy-three thousand, twelve".