730268722656 has 192 divisors, whose sum is σ = 2325745094400. Its totient is φ = 221087577600.

The previous prime is 730268722649. The next prime is 730268722663. The reversal of 730268722656 is 656227862037.

730268722656 is a `hidden beast` number, since 7 + 302 + 6 + 8 + 72 + 265 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (730268722649) and next prime (730268722663).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10333650 + ... + 10404078.

It is an arithmetic number, because the mean of its divisors is an integer number (12113255700).

Almost surely, 2^730268722656 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 730268722656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1162872547200).

730268722656 is an abundant number, since it is smaller than the sum of its proper divisors (1595476371744).

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

730268722656 is a wasteful number, since it uses less digits than its factorization.

730268722656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71550 (or 71536 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 54.

The spelling of 730268722656 in words is "seven hundred thirty billion, two hundred sixty-eight million, seven hundred twenty-two thousand, six hundred fifty-six".