729554396 has 12 divisors (see below), whose sum is σ = 1292102952. Its totient is φ = 360382128.

The previous prime is 729554393. The next prime is 729554401. The reversal of 729554396 is 693455927.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729554393) 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, 1098395 + ... + 1099058.

It is an arithmetic number, because the mean of its divisors is an integer number (107675246).

Almost surely, 2^729554396 is an apocalyptic number.

It is an amenable number.

729554396 is a deficient number, since it is larger than the sum of its proper divisors (562548556).

729554396 is a wasteful number, since it uses less digits than its factorization.

729554396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197540 (or 2197538 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 50.

The square root of 729554396 is about 27010.2646414285. The cubic root of 729554396 is about 900.2280886922.

The spelling of 729554396 in words is "seven hundred twenty-nine million, five hundred fifty-four thousand, three hundred ninety-six".