100730472 has 16 divisors (see below), whose sum is σ = 251826240. Its totient is φ = 33576816.

The previous prime is 100730471. The next prime is 100730473. The reversal of 100730472 is 274037001.

It is an interprime number because it is at equal distance from previous prime (100730471) and next prime (100730473).

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 4197103 = 100730472 / (1 + 0 + 0 + 7 + 3 + 0 + 4 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (100730471) 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, 2098528 + ... + 2098575.

It is an arithmetic number, because the mean of its divisors is an integer number (15739140).

Almost surely, 2^100730472 is an apocalyptic number.

100730472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100730472 is an abundant number, since it is smaller than the sum of its proper divisors (151095768).

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

100730472 is a wasteful number, since it uses less digits than its factorization.

100730472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4197112 (or 4197108 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 100730472 is about 10036.4571438332. The cubic root of 100730472 is about 465.2863261429.

Adding to 100730472 its reverse (274037001), we get a palindrome (374767473).

The spelling of 100730472 in words is "one hundred million, seven hundred thirty thousand, four hundred seventy-two".