730703072 has 48 divisors (see below), whose sum is σ = 1592825472. Its totient is φ = 327169920.

The previous prime is 730703059. The next prime is 730703081. The reversal of 730703072 is 270307037.

It is a congruent number.

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, 8093 + ... + 39075.

It is an arithmetic number, because the mean of its divisors is an integer number (33183864).

Almost surely, 2^730703072 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 730703072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (796412736).

730703072 is an abundant number, since it is smaller than the sum of its proper divisors (862122400).

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

730703072 is a wasteful number, since it uses less digits than its factorization.

730703072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31071 (or 31063 counting only the distinct ones).

The product of its (nonzero) digits is 6174, while the sum is 29.

The square root of 730703072 is about 27031.5199720622. The cubic root of 730703072 is about 900.7003076105.

The spelling of 730703072 in words is "seven hundred thirty million, seven hundred three thousand, seventy-two".