100730418 has 8 divisors (see below), whose sum is σ = 201460848. Its totient is φ = 33576804.

The previous prime is 100730411. The next prime is 100730449. The reversal of 100730418 is 814037001.

It is a sphenic number, since it is the product of 3 distinct primes.

100730418 is an admirable number.

It is a super-2 number, since 2×100730418² = 20293234220909448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100730411) 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, 8394196 + ... + 8394207.

It is an arithmetic number, because the mean of its divisors is an integer number (25182606).

Almost surely, 2^100730418 is an apocalyptic number.

100730418 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

100730418 is a wasteful number, since it uses less digits than its factorization.

100730418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16788408.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 100730418 is about 10036.4544536405. The cubic root of 100730418 is about 465.2862429986.

Adding to 100730418 its reverse (814037001), we get a palindrome (914767419).

The spelling of 100730418 in words is "one hundred million, seven hundred thirty thousand, four hundred eighteen".