745247108 has 12 divisors (see below), whose sum is σ = 1372823760. Its totient is φ = 353011752.

The previous prime is 745247093. The next prime is 745247117. The reversal of 745247108 is 801742547.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4902866 + ... + 4903017.

It is an arithmetic number, because the mean of its divisors is an integer number (114401980).

Almost surely, 2^745247108 is an apocalyptic number.

It is an amenable number.

745247108 is a deficient number, since it is larger than the sum of its proper divisors (627576652).

745247108 is a wasteful number, since it uses less digits than its factorization.

745247108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9805906 (or 9805904 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 745247108 is about 27299.2144209316. The cubic root of 745247108 is about 906.6369883475.

The spelling of 745247108 in words is "seven hundred forty-five million, two hundred forty-seven thousand, one hundred eight".