729554052 has 12 divisors (see below), whose sum is σ = 1702292816. Its totient is φ = 243184680.

The previous prime is 729554051. The next prime is 729554071. The reversal of 729554052 is 250455927.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×729554052² = 1064498229579237408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 729554052.

It is not an unprimeable number, because it can be changed into a prime (729554051) 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, 30398074 + ... + 30398097.

Almost surely, 2^729554052 is an apocalyptic number.

It is an amenable number.

729554052 is an abundant number, since it is smaller than the sum of its proper divisors (972738764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

729554052 is a wasteful number, since it uses less digits than its factorization.

729554052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60796178 (or 60796176 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 729554052 is about 27010.2582734782. The cubic root of 729554052 is about 900.2279472001.

The spelling of 729554052 in words is "seven hundred twenty-nine million, five hundred fifty-four thousand, fifty-two".