727450340 has 96 divisors (see below), whose sum is σ = 1705804800. Its totient is φ = 259407360.

The previous prime is 727450327. The next prime is 727450343. The reversal of 727450340 is 43054727.

It is a super-2 number, since 2×727450340² = 1058367994332231200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 727450297 and 727450306.

It is not an unprimeable number, because it can be changed into a prime (727450343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 435026 + ... + 436694.

It is an arithmetic number, because the mean of its divisors is an integer number (17768800).

Almost surely, 2^727450340 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 727450340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (852902400).

727450340 is an abundant number, since it is smaller than the sum of its proper divisors (978354460).

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

727450340 is a wasteful number, since it uses less digits than its factorization.

727450340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765 (or 1763 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 727450340 is about 26971.2873255987. The cubic root of 727450340 is about 899.3618274265.

The spelling of 727450340 in words is "seven hundred twenty-seven million, four hundred fifty thousand, three hundred forty".