725567766375 has 64 divisors (see below), whose sum is σ = 1262836823040. Its totient is φ = 369263664000.

The previous prime is 725567766361. The next prime is 725567766377. The reversal of 725567766375 is 573667765527.

It is a happy number.

It is not a de Polignac number, because 725567766375 - 2⁷ = 725567766247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725567766377) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3531216 + ... + 3731034.

It is an arithmetic number, because the mean of its divisors is an integer number (19731825360).

Almost surely, 2^725567766375 is an apocalyptic number.

725567766375 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

725567766375 is a deficient number, since it is larger than the sum of its proper divisors (537269056665).

725567766375 is a wasteful number, since it uses less digits than its factorization.

725567766375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200281 (or 200271 counting only the distinct ones).

The product of its digits is 388962000, while the sum is 66.

The spelling of 725567766375 in words is "seven hundred twenty-five billion, five hundred sixty-seven million, seven hundred sixty-six thousand, three hundred seventy-five".