730896502644 has 648 divisors, whose sum is σ = 2426579850240. Its totient is φ = 184750917120.

The previous prime is 730896502621. The next prime is 730896502649. The reversal of 730896502644 is 446205698037.

730896502644 is a `hidden beast` number, since 7 + 3 + 0 + 8 + 96 + 502 + 6 + 44 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730896502649) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 1599335664 + ... + 1599336120.

Almost surely, 2^730896502644 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 730896502644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1213289925120).

730896502644 is an abundant number, since it is smaller than the sum of its proper divisors (1695683347596).

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

730896502644 is a wasteful number, since it uses less digits than its factorization.

730896502644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 730896502644 in words is "seven hundred thirty billion, eight hundred ninety-six million, five hundred two thousand, six hundred forty-four".