100668745 has 8 divisors (see below), whose sum is σ = 127160640. Its totient is φ = 76296240.

The previous prime is 100668731. The next prime is 100668751. The reversal of 100668745 is 547866001.

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

It is a de Polignac number, because none of the positive numbers 2^k-100668745 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529741 + ... + 529930.

It is an arithmetic number, because the mean of its divisors is an integer number (15895080).

Almost surely, 2^100668745 is an apocalyptic number.

It is an amenable number.

100668745 is a deficient number, since it is larger than the sum of its proper divisors (26491895).

100668745 is a wasteful number, since it uses less digits than its factorization.

100668745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059695.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 100668745 is about 10033.3815336605. The cubic root of 100668745 is about 465.1912652107.

It can be divided in two parts, 1006 and 68745, that added together give a triangular number (69751 = T₃₇₃).

The spelling of 100668745 in words is "one hundred million, six hundred sixty-eight thousand, seven hundred forty-five".