729475492 has 12 divisors (see below), whose sum is σ = 1276838640. Its totient is φ = 364664456.

The previous prime is 729475451. The next prime is 729475499. The reversal of 729475492 is 294574927.

It is not an unprimeable number, because it can be changed into a prime (729475499) 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, 8403 + ... + 39109.

It is an arithmetic number, because the mean of its divisors is an integer number (106403220).

Almost surely, 2^729475492 is an apocalyptic number.

It is an amenable number.

729475492 is a deficient number, since it is larger than the sum of its proper divisors (547363148).

729475492 is a wasteful number, since it uses less digits than its factorization.

729475492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36650 (or 36648 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 49.

The square root of 729475492 is about 27008.8039720385. The cubic root of 729475492 is about 900.1956331923.

The spelling of 729475492 in words is "seven hundred twenty-nine million, four hundred seventy-five thousand, four hundred ninety-two".