729000628946 has 8 divisors (see below), whose sum is σ = 1157824528380. Its totient is φ = 343059119488.

The previous prime is 729000628921. The next prime is 729000628949. The reversal of 729000628946 is 649826000927.

It can be written as a sum of positive squares in 2 ways, for example, as 703929390025 + 25071238921 = 839005^2 + 158339^2 .

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

It is not an unprimeable number, because it can be changed into a prime (729000628949) 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, 10720597451 + ... + 10720597518.

Almost surely, 2^729000628946 is an apocalyptic number.

729000628946 is a deficient number, since it is larger than the sum of its proper divisors (428823899434).

729000628946 is a wasteful number, since it uses less digits than its factorization.

729000628946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21441194988.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 729000628946 in words is "seven hundred twenty-nine billion, six hundred twenty-eight thousand, nine hundred forty-six".