107706321 has 8 divisors (see below), whose sum is σ = 159564960. Its totient is φ = 71804196.

The previous prime is 107706293. The next prime is 107706323. The reversal of 107706321 is 123607701.

It is not a de Polignac number, because 107706321 - 2¹⁸ = 107444177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 3989123 = 107706321 / (1 + 0 + 7 + 7 + 0 + 6 + 3 + 2 + 1).

It is not an unprimeable number, because it can be changed into a prime (107706323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1994535 + ... + 1994588.

It is an arithmetic number, because the mean of its divisors is an integer number (19945620).

Almost surely, 2^107706321 is an apocalyptic number.

It is an amenable number.

107706321 is a deficient number, since it is larger than the sum of its proper divisors (51858639).

107706321 is an equidigital number, since it uses as much as digits as its factorization.

107706321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3989132 (or 3989126 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 107706321 is about 10378.1655893515. The cubic root of 107706321 is about 475.7882697088.

The spelling of 107706321 in words is "one hundred seven million, seven hundred six thousand, three hundred twenty-one".