745168808 has 8 divisors (see below), whose sum is σ = 1397191530. Its totient is φ = 372584400.

The previous prime is 745168763. The next prime is 745168811. The reversal of 745168808 is 808861547.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 703204324 + 41964484 = 26518^2 + 6478^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×745168808² = 1110553104832281728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46573043 + ... + 46573058.

Almost surely, 2^745168808 is an apocalyptic number.

It is an amenable number.

745168808 is a deficient number, since it is larger than the sum of its proper divisors (652022722).

745168808 is a wasteful number, since it uses less digits than its factorization.

745168808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93146107 (or 93146103 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 47.

The square root of 745168808 is about 27297.7802760591. The cubic root of 745168808 is about 906.6052350486.

The spelling of 745168808 in words is "seven hundred forty-five million, one hundred sixty-eight thousand, eight hundred eight".