100218673 has 4 divisors (see below), whose sum is σ = 105493360. Its totient is φ = 94943988.

The previous prime is 100218647. The next prime is 100218731. The reversal of 100218673 is 376812001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 100218673 - 2⁵ = 100218641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100218773) 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, 2637315 + ... + 2637352.

It is an arithmetic number, because the mean of its divisors is an integer number (26373340).

Almost surely, 2^100218673 is an apocalyptic number.

It is an amenable number.

100218673 is a deficient number, since it is larger than the sum of its proper divisors (5274687).

100218673 is an equidigital number, since it uses as much as digits as its factorization.

100218673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5274686.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 100218673 is about 10010.9276792913. The cubic root of 100218673 is about 464.4969671000.

The spelling of 100218673 in words is "one hundred million, two hundred eighteen thousand, six hundred seventy-three".