100730797 has 4 divisors (see below), whose sum is σ = 106656156. Its totient is φ = 94805440.

The previous prime is 100730779. The next prime is 100730813. The reversal of 100730797 is 797037001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 797037001 = 31 ⋅25710871.

It can be written as a sum of positive squares in 2 ways, for example, as 29311396 + 71419401 = 5414^2 + 8451^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100730797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100730197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2962654 + ... + 2962687.

It is an arithmetic number, because the mean of its divisors is an integer number (26664039).

Almost surely, 2^100730797 is an apocalyptic number.

100730797 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

100730797 is a deficient number, since it is larger than the sum of its proper divisors (5925359).

100730797 is an equidigital number, since it uses as much as digits as its factorization.

100730797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5925358.

The product of its (nonzero) digits is 9261, while the sum is 34.

The square root of 100730797 is about 10036.4733347925. The cubic root of 100730797 is about 465.2868265472.

Adding to 100730797 its reverse (797037001), we get a palindrome (897767798).

The spelling of 100730797 in words is "one hundred million, seven hundred thirty thousand, seven hundred ninety-seven".