730940784 has 160 divisors (see below), whose sum is σ = 2237523456. Its totient is φ = 201277440.

The previous prime is 730940783. The next prime is 730940801. The reversal of 730940784 is 487049037.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730940783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1335999 + ... + 1336545.

Almost surely, 2^730940784 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 730940784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1118761728).

730940784 is an abundant number, since it is smaller than the sum of its proper divisors (1506582672).

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

730940784 is a wasteful number, since it uses less digits than its factorization.

730940784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703 (or 697 counting only the distinct ones).

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

The square root of 730940784 is about 27035.9165555747. The cubic root of 730940784 is about 900.7979688294.

The spelling of 730940784 in words is "seven hundred thirty million, nine hundred forty thousand, seven hundred eighty-four".