729601966 has 4 divisors (see below), whose sum is σ = 1094402952. Its totient is φ = 364800982.

The previous prime is 729601963. The next prime is 729601979. The reversal of 729601966 is 669106927.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729601963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182400490 + ... + 182400493.

It is an arithmetic number, because the mean of its divisors is an integer number (273600738).

Almost surely, 2^729601966 is an apocalyptic number.

729601966 is a deficient number, since it is larger than the sum of its proper divisors (364800986).

729601966 is a wasteful number, since it uses less digits than its factorization.

729601966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364800985.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 729601966 is about 27011.1452182243. The cubic root of 729601966 is about 900.2476544800.

The spelling of 729601966 in words is "seven hundred twenty-nine million, six hundred one thousand, nine hundred sixty-six".