100727080 has 16 divisors (see below), whose sum is σ = 226636020. Its totient is φ = 40290816.

The previous prime is 100727069. The next prime is 100727087. The reversal of 100727080 is 80727001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 96000804 + 4726276 = 9798^2 + 2174^2 .

It is not an unprimeable number, because it can be changed into a prime (100727087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1259049 + ... + 1259128.

Almost surely, 2^100727080 is an apocalyptic number.

100727080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100727080 is an abundant number, since it is smaller than the sum of its proper divisors (125908940).

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

100727080 is a wasteful number, since it uses less digits than its factorization.

100727080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518188 (or 2518184 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 100727080 is about 10036.2881584777. The cubic root of 100727080 is about 465.2811033971.

The spelling of 100727080 in words is "one hundred million, seven hundred twenty-seven thousand, eighty".