729201424 has 20 divisors (see below), whose sum is σ = 1614660544. Its totient is φ = 312514848.

The previous prime is 729201391. The next prime is 729201449. The reversal of 729201424 is 424102927.

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, 3255252 + ... + 3255475.

Almost surely, 2^729201424 is an apocalyptic number.

It is an amenable number.

729201424 is an abundant number, since it is smaller than the sum of its proper divisors (885459120).

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

729201424 is a wasteful number, since it uses less digits than its factorization.

729201424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6510742 (or 6510736 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 729201424 is about 27003.7298164531. The cubic root of 729201424 is about 900.0828829019.

The spelling of 729201424 in words is "seven hundred twenty-nine million, two hundred one thousand, four hundred twenty-four".