745001889 has 16 divisors (see below), whose sum is σ = 1029809664. Its totient is φ = 478569600.

The previous prime is 745001879. The next prime is 745001893. The reversal of 745001889 is 988100547.

It is not a de Polignac number, because 745001889 - 2⁹ = 745001377 is a prime.

It is a super-2 number, since 2×745001889² = 1110055629227136642, 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 745001889.

It is not an unprimeable number, because it can be changed into a prime (745001819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4479 + ... + 38859.

It is an arithmetic number, because the mean of its divisors is an integer number (64363104).

Almost surely, 2^745001889 is an apocalyptic number.

It is an amenable number.

745001889 is a deficient number, since it is larger than the sum of its proper divisors (284807775).

745001889 is a wasteful number, since it uses less digits than its factorization.

745001889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34648.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 745001889 is about 27294.7227316930. The cubic root of 745001889 is about 906.5375363212.

The spelling of 745001889 in words is "seven hundred forty-five million, one thousand, eight hundred eighty-nine".