100730475 has 36 divisors (see below), whose sum is σ = 183845376. Its totient is φ = 52703040.

The previous prime is 100730473. The next prime is 100730479. The reversal of 100730475 is 574037001.

It is not a de Polignac number, because 100730475 - 2¹ = 100730473 is a prime.

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 35 ways as a sum of consecutive naturals, for example, 7702 + ... + 16148.

It is an arithmetic number, because the mean of its divisors is an integer number (5106816).

Almost surely, 2^100730475 is an apocalyptic number.

100730475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100730475 is a deficient number, since it is larger than the sum of its proper divisors (83114901).

100730475 is a wasteful number, since it uses less digits than its factorization.

100730475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8516 (or 8508 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 100730475 is about 10036.4572932883. The cubic root of 100730475 is about 465.2863307620.

Adding to 100730475 its reverse (574037001), we get a palindrome (674767476).

The spelling of 100730475 in words is "one hundred million, seven hundred thirty thousand, four hundred seventy-five".