745072566999 has 4 divisors (see below), whose sum is σ = 993430089336. Its totient is φ = 496715044664.

The previous prime is 745072566991. The next prime is 745072567021. The reversal of 745072566999 is 999665270547.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 745072566999 - 2³ = 745072566991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745072566991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124178761164 + ... + 124178761169.

It is an arithmetic number, because the mean of its divisors is an integer number (248357522334).

Almost surely, 2^745072566999 is an apocalyptic number.

745072566999 is a deficient number, since it is larger than the sum of its proper divisors (248357522337).

745072566999 is a wasteful number, since it uses less digits than its factorization.

745072566999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248357522336.

The product of its (nonzero) digits is 257191200, while the sum is 69.

The spelling of 745072566999 in words is "seven hundred forty-five billion, seventy-two million, five hundred sixty-six thousand, nine hundred ninety-nine".