729803742 has 32 divisors (see below), whose sum is σ = 1471371264. Its totient is φ = 241315200.

The previous prime is 729803741. The next prime is 729803759. The reversal of 729803742 is 247308927.

It is a super-2 number, since 2×729803742² = 1065227003674405128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 729803694 and 729803703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729803741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562038 + ... + 563334.

It is an arithmetic number, because the mean of its divisors is an integer number (45980352).

Almost surely, 2^729803742 is an apocalyptic number.

729803742 is an abundant number, since it is smaller than the sum of its proper divisors (741567522).

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

729803742 is a wasteful number, since it uses less digits than its factorization.

729803742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 729803742 is about 27014.8800108385. The cubic root of 729803742 is about 900.3306365426.

The spelling of 729803742 in words is "seven hundred twenty-nine million, eight hundred three thousand, seven hundred forty-two".