729714420 has 216 divisors, whose sum is σ = 2360895264. Its totient is φ = 189376704.

The previous prime is 729714397. The next prime is 729714431. The reversal of 729714420 is 24417927.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 71 ways as a sum of consecutive naturals, for example, 8791699 + ... + 8791781.

Almost surely, 2^729714420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 729714420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1180447632).

729714420 is an abundant number, since it is smaller than the sum of its proper divisors (1631180844).

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

729714420 is an equidigital number, since it uses as much as digits as its factorization.

729714420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 729714420 is about 27013.2267602373. The cubic root of 729714420 is about 900.2939040123.

The spelling of 729714420 in words is "seven hundred twenty-nine million, seven hundred fourteen thousand, four hundred twenty".