100305706 has 8 divisors (see below), whose sum is σ = 150535620. Its totient is φ = 50127168.

The previous prime is 100305679. The next prime is 100305707. The reversal of 100305706 is 607503001.

It can be written as a sum of positive squares in 2 ways, for example, as 77352025 + 22953681 = 8795^2 + 4791^2 .

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

It is a super-2 number, since 2×100305706² = 20122469312316872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100305707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7521 + ... + 16036.

Almost surely, 2^100305706 is an apocalyptic number.

100305706 is a deficient number, since it is larger than the sum of its proper divisors (50229914).

100305706 is a wasteful number, since it uses less digits than its factorization.

100305706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25688.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 100305706 is about 10015.2736358025. The cubic root of 100305706 is about 464.6313893801.

Adding to 100305706 its reverse (607503001), we get a palindrome (707808707).

The spelling of 100305706 in words is "one hundred million, three hundred five thousand, seven hundred six".