744736694660 has 192 divisors, whose sum is σ = 1903351296000. Its totient is φ = 239093337600.

The previous prime is 744736694599. The next prime is 744736694677. The reversal of 744736694660 is 66496637447.

It is a junction number, because it is equal to n+sod(n) for n = 744736694593 and 744736694602.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 127280735 + ... + 127286585.

It is an arithmetic number, because the mean of its divisors is an integer number (9913288000).

Almost surely, 2^744736694660 is an apocalyptic number.

744736694660 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 744736694660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (951675648000).

744736694660 is an abundant number, since it is smaller than the sum of its proper divisors (1158614601340).

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

744736694660 is a wasteful number, since it uses less digits than its factorization.

744736694660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6434 (or 6432 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 62.

The spelling of 744736694660 in words is "seven hundred forty-four billion, seven hundred thirty-six million, six hundred ninety-four thousand, six hundred sixty".