727772604020 has 144 divisors (see below), whose sum is σ = 1920543663360. Its totient is φ = 226759357440.

The previous prime is 727772604017. The next prime is 727772604037. The reversal of 727772604020 is 20406277727.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

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, 65874137 + ... + 65885183.

Almost surely, 2^727772604020 is an apocalyptic number.

727772604020 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 727772604020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (960271831680).

727772604020 is an abundant number, since it is smaller than the sum of its proper divisors (1192771059340).

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

727772604020 is a wasteful number, since it uses less digits than its factorization.

727772604020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14974 (or 14961 counting only the distinct ones).

The product of its (nonzero) digits is 460992, while the sum is 44.

The spelling of 727772604020 in words is "seven hundred twenty-seven billion, seven hundred seventy-two million, six hundred four thousand, twenty".