108721748 has 6 divisors (see below), whose sum is σ = 190263066. Its totient is φ = 54360872.

The previous prime is 108721733. The next prime is 108721751. The reversal of 108721748 is 847127801.

It can be written as a sum of positive squares in only one way, i.e., 59413264 + 49308484 = 7708^2 + 7022^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13590215 + ... + 13590222.

It is an arithmetic number, because the mean of its divisors is an integer number (31710511).

Almost surely, 2^108721748 is an apocalyptic number.

It is an amenable number.

108721748 is a deficient number, since it is larger than the sum of its proper divisors (81541318).

108721748 is a wasteful number, since it uses less digits than its factorization.

108721748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27180441 (or 27180439 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 38.

The square root of 108721748 is about 10426.9721396003. The cubic root of 108721748 is about 477.2787977932.

The spelling of 108721748 in words is "one hundred eight million, seven hundred twenty-one thousand, seven hundred forty-eight".