745376533 has 4 divisors (see below), whose sum is σ = 813138048. Its totient is φ = 677615020.

The previous prime is 745376521. The next prime is 745376537. The reversal of 745376533 is 335673547.

745376533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-745376533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 745376533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745376537) 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, 33880741 + ... + 33880762.

It is an arithmetic number, because the mean of its divisors is an integer number (203284512).

Almost surely, 2^745376533 is an apocalyptic number.

It is an amenable number.

745376533 is a deficient number, since it is larger than the sum of its proper divisors (67761515).

745376533 is a wasteful number, since it uses less digits than its factorization.

745376533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67761514.

The product of its digits is 793800, while the sum is 43.

The square root of 745376533 is about 27301.5848074796. The cubic root of 745376533 is about 906.6894696873.

The spelling of 745376533 in words is "seven hundred forty-five million, three hundred seventy-six thousand, five hundred thirty-three".