727716828 has 12 divisors (see below), whose sum is σ = 1698005960. Its totient is φ = 242572272.

The previous prime is 727716793. The next prime is 727716863. The reversal of 727716828 is 828617727.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (727716793) and next prime (727716863).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30321523 + ... + 30321546.

Almost surely, 2^727716828 is an apocalyptic number.

It is an amenable number.

727716828 is an abundant number, since it is smaller than the sum of its proper divisors (970289132).

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

727716828 is a wasteful number, since it uses less digits than its factorization.

727716828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60643076 (or 60643074 counting only the distinct ones).

The product of its digits is 526848, while the sum is 48.

The square root of 727716828 is about 26976.2270897915. The cubic root of 727716828 is about 899.4716355519.

The spelling of 727716828 in words is "seven hundred twenty-seven million, seven hundred sixteen thousand, eight hundred twenty-eight".