100780733 has 4 divisors (see below), whose sum is σ = 105162528. Its totient is φ = 96398940.

The previous prime is 100780727. The next prime is 100780741. The reversal of 100780733 is 337087001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100780733 - 2¹⁰ = 100779709 is a prime.

It is a super-2 number, since 2×100780733² = 20313512288034578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100780696 and 100780705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100780753) 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, 2190863 + ... + 2190908.

It is an arithmetic number, because the mean of its divisors is an integer number (26290632).

Almost surely, 2^100780733 is an apocalyptic number.

It is an amenable number.

100780733 is a deficient number, since it is larger than the sum of its proper divisors (4381795).

100780733 is an equidigital number, since it uses as much as digits as its factorization.

100780733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4381794.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 100780733 is about 10038.9607529863. The cubic root of 100780733 is about 465.3637005033.

The spelling of 100780733 in words is "one hundred million, seven hundred eighty thousand, seven hundred thirty-three".