729658473 has 16 divisors (see below), whose sum is σ = 1025421120. Its totient is φ = 460800704.

The previous prime is 729658451. The next prime is 729658483. The reversal of 729658473 is 374856927.

It is a cyclic number.

It is not a de Polignac number, because 729658473 - 2⁸ = 729658217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (729658483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74511 + ... + 83732.

It is an arithmetic number, because the mean of its divisors is an integer number (64088820).

Almost surely, 2^729658473 is an apocalyptic number.

It is an amenable number.

729658473 is a deficient number, since it is larger than the sum of its proper divisors (295762647).

729658473 is a wasteful number, since it uses less digits than its factorization.

729658473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158328.

The product of its digits is 2540160, while the sum is 51.

The square root of 729658473 is about 27012.1911921266. The cubic root of 729658473 is about 900.2708949971.

The spelling of 729658473 in words is "seven hundred twenty-nine million, six hundred fifty-eight thousand, four hundred seventy-three".