745772855 has 8 divisors (see below), whose sum is σ = 895074000. Its totient is φ = 596520576.

The previous prime is 745772849. The next prime is 745772873. The reversal of 745772855 is 558277547.

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 745772855 - 2⁶ = 745772791 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54056 + ... + 66434.

It is an arithmetic number, because the mean of its divisors is an integer number (111884250).

Almost surely, 2^745772855 is an apocalyptic number.

745772855 is a deficient number, since it is larger than the sum of its proper divisors (149301145).

745772855 is a wasteful number, since it uses less digits than its factorization.

745772855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24433.

The product of its digits is 2744000, while the sum is 50.

The square root of 745772855 is about 27308.8420662612. The cubic root of 745772855 is about 906.8501389593.

The spelling of 745772855 in words is "seven hundred forty-five million, seven hundred seventy-two thousand, eight hundred fifty-five".