108749749 has 8 divisors (see below), whose sum is σ = 114645440. Its totient is φ = 102871296.

The previous prime is 108749743. The next prime is 108749791. The reversal of 108749749 is 947947801.

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 108749749 - 2⁵ = 108749717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108749743) 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, 9877 + ... + 17749.

It is an arithmetic number, because the mean of its divisors is an integer number (14330680).

Almost surely, 2^108749749 is an apocalyptic number.

108749749 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

108749749 is a deficient number, since it is larger than the sum of its proper divisors (5895691).

108749749 is an equidigital number, since it uses as much as digits as its factorization.

108749749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8619.

The product of its (nonzero) digits is 508032, while the sum is 49.

The square root of 108749749 is about 10428.3147727713. The cubic root of 108749749 is about 477.3197682421.

The spelling of 108749749 in words is "one hundred eight million, seven hundred forty-nine thousand, seven hundred forty-nine".