730748438784 has 720 divisors, whose sum is σ = 2693576005120. Its totient is φ = 191879331840.

The previous prime is 730748438779. The next prime is 730748438789. The reversal of 730748438784 is 487834847037.

730748438784 is a `hidden beast` number, since 7 + 30 + 74 + 84 + 387 + 84 = 666.

It is an interprime number because it is at equal distance from previous prime (730748438779) and next prime (730748438789).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (730748438789) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 511369782 + ... + 511371210.

Almost surely, 2^730748438784 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 730748438784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1346788002560).

730748438784 is an abundant number, since it is smaller than the sum of its proper divisors (1962827566336).

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

730748438784 is a wasteful number, since it uses less digits than its factorization.

730748438784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748 (or 1725 counting only the distinct ones).

The product of its (nonzero) digits is 101154816, while the sum is 63.

The spelling of 730748438784 in words is "seven hundred thirty billion, seven hundred forty-eight million, four hundred thirty-eight thousand, seven hundred eighty-four".