745207918 has 16 divisors (see below), whose sum is σ = 1375768800. Its totient is φ = 294807456.

The previous prime is 745207847. The next prime is 745207919. The reversal of 745207918 is 819702547.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745207919) 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, 2047093 + ... + 2047456.

It is an arithmetic number, because the mean of its divisors is an integer number (85985550).

Almost surely, 2^745207918 is an apocalyptic number.

745207918 is a deficient number, since it is larger than the sum of its proper divisors (630560882).

745207918 is a wasteful number, since it uses less digits than its factorization.

745207918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4094571.

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 745207918 is about 27298.4966252722. The cubic root of 745207918 is about 906.6210957548.

The spelling of 745207918 in words is "seven hundred forty-five million, two hundred seven thousand, nine hundred eighteen".