745307773 has 8 divisors (see below), whose sum is σ = 852445440. Its totient is φ = 638336400.

The previous prime is 745307753. The next prime is 745307779. The reversal of 745307773 is 377703547.

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 745307773 - 2²⁹ = 208436861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745307779) 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 7 ways as a sum of consecutive naturals, for example, 31813 + ... + 50026.

It is an arithmetic number, because the mean of its divisors is an integer number (106555680).

Almost surely, 2^745307773 is an apocalyptic number.

It is an amenable number.

745307773 is a deficient number, since it is larger than the sum of its proper divisors (107137667).

745307773 is a wasteful number, since it uses less digits than its factorization.

745307773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83147.

The product of its (nonzero) digits is 432180, while the sum is 43.

The square root of 745307773 is about 27300.3255108799. The cubic root of 745307773 is about 906.6615885282.

The spelling of 745307773 in words is "seven hundred forty-five million, three hundred seven thousand, seven hundred seventy-three".