729946051 has 8 divisors (see below), whose sum is σ = 787467744. Its totient is φ = 674044800.

The previous prime is 729946043. The next prime is 729946067. The reversal of 729946051 is 150649927.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 729946051 - 2³ = 729946043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 729945989 and 729946007.

It is not an unprimeable number, because it can be changed into a prime (729946081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404175 + ... + 405976.

It is an arithmetic number, because the mean of its divisors is an integer number (98433468).

Almost surely, 2^729946051 is an apocalyptic number.

729946051 is a deficient number, since it is larger than the sum of its proper divisors (57521693).

729946051 is a wasteful number, since it uses less digits than its factorization.

729946051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810221.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 729946051 is about 27017.5137827299. The cubic root of 729946051 is about 900.3891531081.

The spelling of 729946051 in words is "seven hundred twenty-nine million, nine hundred forty-six thousand, fifty-one".