100100073 has 8 divisors (see below), whose sum is σ = 134021536. Its totient is φ = 66456000.

The previous prime is 100100069. The next prime is 100100081. The reversal of 100100073 is 370001001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100100073 - 2² = 100100069 is a prime.

It is a super-2 number, since 2×100100073² = 20040049229210658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100100053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68503 + ... + 69948.

It is an arithmetic number, because the mean of its divisors is an integer number (16752692).

Almost surely, 2^100100073 is an apocalyptic number.

It is an amenable number.

100100073 is a deficient number, since it is larger than the sum of its proper divisors (33921463).

100100073 is a wasteful number, since it uses less digits than its factorization.

100100073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138695.

The product of its (nonzero) digits is 21, while the sum is 12.

The square root of 100100073 is about 10005.0023988003. The cubic root of 100100073 is about 464.3136643146.

Adding to 100100073 its reverse (370001001), we get a palindrome (470101074).

The spelling of 100100073 in words is "one hundred million, one hundred thousand, seventy-three".