745171864 has 8 divisors (see below), whose sum is σ = 1397197260. Its totient is φ = 372585928.

The previous prime is 745171853. The next prime is 745171877. The reversal of 745171864 is 468171547.

745171864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×745171864² = 1110562213794468992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 745171864.

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, 46573234 + ... + 46573249.

Almost surely, 2^745171864 is an apocalyptic number.

It is an amenable number.

745171864 is a deficient number, since it is larger than the sum of its proper divisors (652025396).

745171864 is a wasteful number, since it uses less digits than its factorization.

745171864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93146489 (or 93146485 counting only the distinct ones).

The product of its digits is 188160, while the sum is 43.

The square root of 745171864 is about 27297.8362512489. The cubic root of 745171864 is about 906.6064744017.

The spelling of 745171864 in words is "seven hundred forty-five million, one hundred seventy-one thousand, eight hundred sixty-four".