745993755 has 24 divisors (see below), whose sum is σ = 1392522768. Its totient is φ = 367258176.

The previous prime is 745993733. The next prime is 745993763. The reversal of 745993755 is 557399547.

It is not a de Polignac number, because 745993755 - 2⁶ = 745993691 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 637017 + ... + 638186.

It is an arithmetic number, because the mean of its divisors is an integer number (58021782).

Almost surely, 2^745993755 is an apocalyptic number.

745993755 is a deficient number, since it is larger than the sum of its proper divisors (646529013).

745993755 is a wasteful number, since it uses less digits than its factorization.

745993755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275227 (or 1275224 counting only the distinct ones).

The product of its digits is 5953500, while the sum is 54.

The square root of 745993755 is about 27312.8862444085. The cubic root of 745993755 is about 906.9396673007.

The spelling of 745993755 in words is "seven hundred forty-five million, nine hundred ninety-three thousand, seven hundred fifty-five".