729372740 has 24 divisors (see below), whose sum is σ = 1532986560. Its totient is φ = 291500768.

The previous prime is 729372713. The next prime is 729372769. The reversal of 729372740 is 47273927.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9551 + ... + 39369.

It is an arithmetic number, because the mean of its divisors is an integer number (63874440).

Almost surely, 2^729372740 is an apocalyptic number.

It is an amenable number.

729372740 is an abundant number, since it is smaller than the sum of its proper divisors (803613820).

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

729372740 is a wasteful number, since it uses less digits than its factorization.

729372740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31051 (or 31049 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 729372740 is about 27006.9017104887. The cubic root of 729372740 is about 900.1533648108.

The spelling of 729372740 in words is "seven hundred twenty-nine million, three hundred seventy-two thousand, seven hundred forty".