727868430 has 80 divisors (see below), whose sum is σ = 2072323440. Its totient is φ = 182677248.

The previous prime is 727868429. The next prime is 727868431. The reversal of 727868430 is 34868727.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (727868429) and next prime (727868431).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (727868431) 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 39 ways as a sum of consecutive naturals, for example, 12660 + ... + 40199.

It is an arithmetic number, because the mean of its divisors is an integer number (25904043).

Almost surely, 2^727868430 is an apocalyptic number.

727868430 is an abundant number, since it is smaller than the sum of its proper divisors (1344455010).

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

727868430 is a wasteful number, since it uses less digits than its factorization.

727868430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52895 (or 52886 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 727868430 is about 26979.0368619786. The cubic root of 727868430 is about 899.5340921860.

The spelling of 727868430 in words is "seven hundred twenty-seven million, eight hundred sixty-eight thousand, four hundred thirty".