729676456 has 32 divisors (see below), whose sum is σ = 1445832000. Its totient is φ = 344272896.

The previous prime is 729676439. The next prime is 729676463. The reversal of 729676456 is 654676927.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29725 + ... + 48403.

It is an arithmetic number, because the mean of its divisors is an integer number (45182250).

Almost surely, 2^729676456 is an apocalyptic number.

729676456 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

729676456 is a deficient number, since it is larger than the sum of its proper divisors (716155544).

729676456 is a wasteful number, since it uses less digits than its factorization.

729676456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18961 (or 18957 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 52.

The square root of 729676456 is about 27012.5240582956. The cubic root of 729676456 is about 900.2782908949.

The spelling of 729676456 in words is "seven hundred twenty-nine million, six hundred seventy-six thousand, four hundred fifty-six".