107552721 has 8 divisors (see below), whose sum is σ = 143557920. Its totient is φ = 71624672.

The previous prime is 107552719. The next prime is 107552743. The reversal of 107552721 is 127255701.

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 107552721 - 2¹ = 107552719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (107552021) 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, 15951 + ... + 21668.

It is an arithmetic number, because the mean of its divisors is an integer number (17944740).

Almost surely, 2^107552721 is an apocalyptic number.

It is an amenable number.

107552721 is a deficient number, since it is larger than the sum of its proper divisors (36005199).

107552721 is an equidigital number, since it uses as much as digits as its factorization.

107552721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38575.

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 107552721 is about 10370.7627974031. The cubic root of 107552721 is about 475.5619882012.

The spelling of 107552721 in words is "one hundred seven million, five hundred fifty-two thousand, seven hundred twenty-one".