107213729 has 8 divisors (see below), whose sum is σ = 125518848. Its totient is φ = 89655840.

The previous prime is 107213719. The next prime is 107213731. The reversal of 107213729 is 927312701.

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

It is a cyclic number.

It is not a de Polignac number, because 107213729 - 2¹⁶ = 107148193 is a prime.

It is a super-2 number, since 2×107213729² = 22989567372170882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 107213695 and 107213704.

It is not an unprimeable number, because it can be changed into a prime (107213719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186497 + ... + 187070.

It is an arithmetic number, because the mean of its divisors is an integer number (15689856).

Almost surely, 2^107213729 is an apocalyptic number.

It is an amenable number.

107213729 is a deficient number, since it is larger than the sum of its proper divisors (18305119).

107213729 is an equidigital number, since it uses as much as digits as its factorization.

107213729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373615.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 107213729 is about 10354.4062601387. The cubic root of 107213729 is about 475.0618261167.

The spelling of 107213729 in words is "one hundred seven million, two hundred thirteen thousand, seven hundred twenty-nine".