745254777 has 8 divisors (see below), whose sum is σ = 1020529216. Its totient is φ = 483408432.

The previous prime is 745254683. The next prime is 745254791. The reversal of 745254777 is 777452547.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 745254777 - 2¹⁰ = 745253753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745254077) 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, 3356893 + ... + 3357114.

It is an arithmetic number, because the mean of its divisors is an integer number (127566152).

Almost surely, 2^745254777 is an apocalyptic number.

It is an amenable number.

745254777 is a deficient number, since it is larger than the sum of its proper divisors (275274439).

745254777 is a wasteful number, since it uses less digits than its factorization.

745254777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6714047.

The product of its digits is 1920800, while the sum is 48.

The square root of 745254777 is about 27299.3548824876. The cubic root of 745254777 is about 906.6400982669.

It can be divided in two parts, 745254 and 777, that added together give a triangular number (746031 = T₁₂₂₁).

The spelling of 745254777 in words is "seven hundred forty-five million, two hundred fifty-four thousand, seven hundred seventy-seven".