729654 has 8 divisors (see below), whose sum is σ = 1459320. Its totient is φ = 243216.

The previous prime is 729649. The next prime is 729661. The reversal of 729654 is 456927.

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

729654 is an admirable number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60799 + ... + 60810.

It is an arithmetic number, because the mean of its divisors is an integer number (182415).

2⁷²⁹⁶⁵⁴ is an apocalyptic number.

729654 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

729654 is a wasteful number, since it uses less digits than its factorization.

729654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121614.

The product of its digits is 15120, while the sum is 33.

The square root of 729654 is about 854.1978693488. The cubic root of 729654 is about 90.0269055360.

The spelling of 729654 in words is "seven hundred twenty-nine thousand, six hundred fifty-four".