730639079856 has 240 divisors, whose sum is σ = 2437147568128. Its totient is φ = 199936512000.

The previous prime is 730639079791. The next prime is 730639079869. The reversal of 730639079856 is 658970936037.

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

It is a junction number, because it is equal to n+sod(n) for n = 730639079793 and 730639079802.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2910531 + ... + 3151581.

Almost surely, 2^730639079856 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 730639079856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1218573784064).

730639079856 is an abundant number, since it is smaller than the sum of its proper divisors (1706508488272).

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

730639079856 is a wasteful number, since it uses less digits than its factorization.

730639079856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241200 (or 241191 counting only the distinct ones).

The product of its (nonzero) digits is 51438240, while the sum is 63.

It can be divided in two parts, 7306390 and 79856, that added together give a triangular number (7386246 = T₃₈₄₃).

The spelling of 730639079856 in words is "seven hundred thirty billion, six hundred thirty-nine million, seventy-nine thousand, eight hundred fifty-six".