726969739860 has 1296 divisors, whose sum is σ = 2956066154496. Its totient is φ = 148635938304.

The previous prime is 726969739829. The next prime is 726969739871. The reversal of 726969739860 is 68937969627.

726969739860 is a `hidden beast` number, since 7 + 2 + 6 + 96 + 97 + 398 + 60 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 5724171117 + ... + 5724171243.

Almost surely, 2^726969739860 is an apocalyptic number.

726969739860 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 726969739860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1478033077248).

726969739860 is an abundant number, since it is smaller than the sum of its proper divisors (2229096414636).

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

726969739860 is a wasteful number, since it uses less digits than its factorization.

726969739860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 370355328, while the sum is 72.

The spelling of 726969739860 in words is "seven hundred twenty-six billion, nine hundred sixty-nine million, seven hundred thirty-nine thousand, eight hundred sixty".