100726573 has 4 divisors (see below), whose sum is σ = 101650780. Its totient is φ = 99802368.

The previous prime is 100726567. The next prime is 100726579. The reversal of 100726573 is 375627001.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (100726567) and next prime (100726579).

It can be written as a sum of positive squares in 2 ways, for example, as 90973444 + 9753129 = 9538^2 + 3123^2 .

It is a cyclic number.

It is not a de Polignac number, because 100726573 - 2¹⁷ = 100595501 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 (100726579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461940 + ... + 462157.

It is an arithmetic number, because the mean of its divisors is an integer number (25412695).

Almost surely, 2^100726573 is an apocalyptic number.

It is an amenable number.

100726573 is a deficient number, since it is larger than the sum of its proper divisors (924207).

100726573 is an equidigital number, since it uses as much as digits as its factorization.

100726573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924206.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 100726573 is about 10036.2629001038. The cubic root of 100726573 is about 465.2803227467.

The spelling of 100726573 in words is "one hundred million, seven hundred twenty-six thousand, five hundred seventy-three".