727363644 has 36 divisors (see below), whose sum is σ = 1974274344. Its totient is φ = 207818016.

The previous prime is 727363627. The next prime is 727363667. The reversal of 727363644 is 446363727.

727363644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×727363644² = 1058115741225917472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 727363596 and 727363605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 617919 + ... + 619094.

It is an arithmetic number, because the mean of its divisors is an integer number (54840954).

Almost surely, 2^727363644 is an apocalyptic number.

It is an amenable number.

727363644 is an abundant number, since it is smaller than the sum of its proper divisors (1246910700).

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

727363644 is a wasteful number, since it uses less digits than its factorization.

727363644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237034 (or 1237025 counting only the distinct ones).

The product of its digits is 508032, while the sum is 42.

The square root of 727363644 is about 26969.6800870904. The cubic root of 727363644 is about 899.3260979907.

The spelling of 727363644 in words is "seven hundred twenty-seven million, three hundred sixty-three thousand, six hundred forty-four".