727423956 has 96 divisors (see below), whose sum is σ = 2160264960. Its totient is φ = 207360000.

The previous prime is 727423933. The next prime is 727423969. The reversal of 727423956 is 659324727.

It is a super-2 number, since 2×727423956² = 1058291223525379872, which contains 22 as substring.

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, 453556 + ... + 455156.

It is an arithmetic number, because the mean of its divisors is an integer number (22502760).

Almost surely, 2^727423956 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 727423956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1080132480).

727423956 is an abundant number, since it is smaller than the sum of its proper divisors (1432841004).

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

727423956 is a wasteful number, since it uses less digits than its factorization.

727423956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222 (or 2214 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 727423956 is about 26970.7982084328. The cubic root of 727423956 is about 899.3509542677.

The spelling of 727423956 in words is "seven hundred twenty-seven million, four hundred twenty-three thousand, nine hundred fifty-six".