745005671 has 8 divisors (see below), whose sum is σ = 814276224. Its totient is φ = 678562560.

The previous prime is 745005641. The next prime is 745005727. The reversal of 745005671 is 176500547.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 745005671 - 2¹⁰ = 745004647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745005641) 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, 706310 + ... + 707363.

It is an arithmetic number, because the mean of its divisors is an integer number (101784528).

Almost surely, 2^745005671 is an apocalyptic number.

745005671 is a deficient number, since it is larger than the sum of its proper divisors (69270553).

745005671 is a wasteful number, since it uses less digits than its factorization.

745005671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413721.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 745005671 is about 27294.7920123968. The cubic root of 745005671 is about 906.5390703304.

The spelling of 745005671 in words is "seven hundred forty-five million, five thousand, six hundred seventy-one".