745223871 has 16 divisors (see below), whose sum is σ = 1195347200. Its totient is φ = 403429248.

The previous prime is 745223861. The next prime is 745223887. The reversal of 745223871 is 178322547.

It is not a de Polignac number, because 745223871 - 2⁵ = 745223839 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 (745223821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 933466 + ... + 934263.

It is an arithmetic number, because the mean of its divisors is an integer number (74709200).

Almost surely, 2^745223871 is an apocalyptic number.

745223871 is a deficient number, since it is larger than the sum of its proper divisors (450123329).

745223871 is a wasteful number, since it uses less digits than its factorization.

745223871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867758.

The product of its digits is 94080, while the sum is 39.

The square root of 745223871 is about 27298.7888192865. The cubic root of 745223871 is about 906.6275651900.

The spelling of 745223871 in words is "seven hundred forty-five million, two hundred twenty-three thousand, eight hundred seventy-one".