100030770 has 96 divisors (see below), whose sum is σ = 300972672. Its totient is φ = 22576896.

The previous prime is 100030753. The next prime is 100030781. The reversal of 100030770 is 77030001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51334 + ... + 53246.

It is an arithmetic number, because the mean of its divisors is an integer number (3135132).

Almost surely, 2^100030770 is an apocalyptic number.

100030770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100030770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150486336).

100030770 is an abundant number, since it is smaller than the sum of its proper divisors (200941902).

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

100030770 is a wasteful number, since it uses less digits than its factorization.

100030770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016 (or 2013 counting only the distinct ones).

The product of its (nonzero) digits is 147, while the sum is 18.

The square root of 100030770 is about 10001.5383816691. The cubic root of 100030770 is about 464.2064857087.

Adding to 100030770 its reverse (77030001), we get a palindrome (177060771).

The spelling of 100030770 in words is "one hundred million, thirty thousand, seven hundred seventy".