726253074273656 has 16 divisors (see below), whose sum is σ = 1368853961984640. Its totient is φ = 361225351077760.

The previous prime is 726253074273637. The next prime is 726253074273689. The reversal of 726253074273656 is 656372470352627.

It is a junction number, because it is equal to n+sod(n) for n = 726253074273592 and 726253074273601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237648255761 + ... + 237648258816.

It is an arithmetic number, because the mean of its divisors is an integer number (85553372624040).

Almost surely, 2^{726253074273656} is an apocalyptic number.

It is an amenable number.

726253074273656 is a deficient number, since it is larger than the sum of its proper divisors (642600887710984).

726253074273656 is a wasteful number, since it uses less digits than its factorization.

726253074273656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475296514774 (or 475296514770 counting only the distinct ones).

The product of its (nonzero) digits is 533433600, while the sum is 65.

The spelling of 726253074273656 in words is "seven hundred twenty-six trillion, two hundred fifty-three billion, seventy-four million, two hundred seventy-three thousand, six hundred fifty-six".