729800492 has 12 divisors (see below), whose sum is σ = 1308301176. Its totient is φ = 356000160.

The previous prime is 729800483. The next prime is 729800569. The reversal of 729800492 is 294008927.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2224838 + ... + 2225165.

It is an arithmetic number, because the mean of its divisors is an integer number (109025098).

Almost surely, 2^729800492 is an apocalyptic number.

It is an amenable number.

729800492 is a deficient number, since it is larger than the sum of its proper divisors (578500684).

729800492 is a wasteful number, since it uses less digits than its factorization.

729800492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4450048 (or 4450046 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 729800492 is about 27014.8198587368. The cubic root of 729800492 is about 900.3293000742.

The spelling of 729800492 in words is "seven hundred twenty-nine million, eight hundred thousand, four hundred ninety-two".