747725775 has 24 divisors (see below), whose sum is σ = 1237023504. Its totient is φ = 398534400.

The previous prime is 747725731. The next prime is 747725777. The reversal of 747725775 is 577527747.

It is not a de Polignac number, because 747725775 - 2¹¹ = 747723727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747725777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227947 + ... + 231203.

It is an arithmetic number, because the mean of its divisors is an integer number (51542646).

Almost surely, 2^747725775 is an apocalyptic number.

747725775 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

747725775 is a deficient number, since it is larger than the sum of its proper divisors (489297729).

747725775 is a wasteful number, since it uses less digits than its factorization.

747725775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6331 (or 6326 counting only the distinct ones).

The product of its digits is 3361400, while the sum is 51.

The square root of 747725775 is about 27344.5748732724. The cubic root of 747725775 is about 907.6410241570.

The spelling of 747725775 in words is "seven hundred forty-seven million, seven hundred twenty-five thousand, seven hundred seventy-five".