727427140 has 24 divisors (see below), whose sum is σ = 1666469952. Its totient is φ = 264518880.

The previous prime is 727427137. The next prime is 727427159. The reversal of 727427140 is 41724727.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 727427096 and 727427105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1653024 + ... + 1653463.

It is an arithmetic number, because the mean of its divisors is an integer number (69436248).

Almost surely, 2^727427140 is an apocalyptic number.

It is an amenable number.

727427140 is an abundant number, since it is smaller than the sum of its proper divisors (939042812).

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

727427140 is a wasteful number, since it uses less digits than its factorization.

727427140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306507 (or 3306505 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 34.

The square root of 727427140 is about 26970.8572351714. The cubic root of 727427140 is about 899.3522664457.

The spelling of 727427140 in words is "seven hundred twenty-seven million, four hundred twenty-seven thousand, one hundred forty".