729546994 has 36 divisors (see below), whose sum is σ = 1243297566. Its totient is φ = 320812800.

The previous prime is 729546947. The next prime is 729547001. The reversal of 729546994 is 499645927.

It can be written as a sum of positive squares in only one way, i.e., 377796969 + 351750025 = 19437^2 + 18755^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 230994 + ... + 234130.

Almost surely, 2^729546994 is an apocalyptic number.

729546994 is a deficient number, since it is larger than the sum of its proper divisors (513750572).

729546994 is a wasteful number, since it uses less digits than its factorization.

729546994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3223 (or 3181 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 55.

The square root of 729546994 is about 27010.1276190987. The cubic root of 729546994 is about 900.2250441348.

It can be divided in two parts, 7295 and 46994, that added together give a square (54289 = 233²).

The spelling of 729546994 in words is "seven hundred twenty-nine million, five hundred forty-six thousand, nine hundred ninety-four".