100730473 has 2 divisors, whose sum is σ = 100730474. Its totient is φ = 100730472.

The previous prime is 100730471. The next prime is 100730479. The reversal of 100730473 is 374037001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52954729 + 47775744 = 7277^2 + 6912^2 .

It is a cyclic number.

It is not a de Polignac number, because 100730473 - 2¹ = 100730471 is a prime.

Together with 100730471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (100730471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50365236 + 50365237.

It is an arithmetic number, because the mean of its divisors is an integer number (50365237).

Almost surely, 2^100730473 is an apocalyptic number.

It is an amenable number.

100730473 is a deficient number, since it is larger than the sum of its proper divisors (1).

100730473 is an equidigital number, since it uses as much as digits as its factorization.

100730473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 100730473 is about 10036.4571936516. The cubic root of 100730473 is about 465.2863276826.

Adding to 100730473 its reverse (374037001), we get a palindrome (474767474).

The spelling of 100730473 in words is "one hundred million, seven hundred thirty thousand, four hundred seventy-three".