727266172020 has 96 divisors (see below), whose sum is σ = 2158424464896. Its totient is φ = 182335334400.

The previous prime is 727266171979. The next prime is 727266172033. The reversal of 727266172020 is 20271662727.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 580965 + ... + 1338675.

It is an arithmetic number, because the mean of its divisors is an integer number (22483588176).

Almost surely, 2^727266172020 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 727266172020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1079212232448).

727266172020 is an abundant number, since it is smaller than the sum of its proper divisors (1431158292876).

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

727266172020 is a wasteful number, since it uses less digits than its factorization.

727266172020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758681 (or 758679 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 42.

The spelling of 727266172020 in words is "seven hundred twenty-seven billion, two hundred sixty-six million, one hundred seventy-two thousand, twenty".