729963020 has 12 divisors (see below), whose sum is σ = 1532922384. Its totient is φ = 291985200.

The previous prime is 729963019. The next prime is 729963023. The reversal of 729963020 is 20369927.

It is not an unprimeable number, because it can be changed into a prime (729963023) 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, 18249056 + ... + 18249095.

It is an arithmetic number, because the mean of its divisors is an integer number (127743532).

Almost surely, 2^729963020 is an apocalyptic number.

It is an amenable number.

729963020 is an abundant number, since it is smaller than the sum of its proper divisors (802959364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

729963020 is a wasteful number, since it uses less digits than its factorization.

729963020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36498160 (or 36498158 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 729963020 is about 27017.8278179427. The cubic root of 729963020 is about 900.3961301466.

The spelling of 729963020 in words is "seven hundred twenty-nine million, nine hundred sixty-three thousand, twenty".