745146872 has 16 divisors (see below), whose sum is σ = 1420831800. Its totient is φ = 366258400.

The previous prime is 745146863. The next prime is 745146889. The reversal of 745146872 is 278641547.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788879 + ... + 789822.

Almost surely, 2^745146872 is an apocalyptic number.

It is an amenable number.

745146872 is a deficient number, since it is larger than the sum of its proper divisors (675684928).

745146872 is a wasteful number, since it uses less digits than its factorization.

745146872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578766 (or 1578762 counting only the distinct ones).

The product of its digits is 376320, while the sum is 44.

The square root of 745146872 is about 27297.3784821913. The cubic root of 745146872 is about 906.5963388597.

The spelling of 745146872 in words is "seven hundred forty-five million, one hundred forty-six thousand, eight hundred seventy-two".