745542733 has 8 divisors (see below), whose sum is σ = 803325600. Its totient is φ = 687821808.

The previous prime is 745542713. The next prime is 745542739. The reversal of 745542733 is 337245547.

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 745542733 - 2⁹ = 745542221 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 (745542739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11238 + ... + 40216.

It is an arithmetic number, because the mean of its divisors is an integer number (100415700).

Almost surely, 2^745542733 is an apocalyptic number.

It is an amenable number.

745542733 is a deficient number, since it is larger than the sum of its proper divisors (57782867).

745542733 is a wasteful number, since it uses less digits than its factorization.

745542733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30971.

The product of its digits is 352800, while the sum is 40.

The square root of 745542733 is about 27304.6284171750. The cubic root of 745542733 is about 906.7568542393.

The spelling of 745542733 in words is "seven hundred forty-five million, five hundred forty-two thousand, seven hundred thirty-three".