725747568 has 80 divisors (see below), whose sum is σ = 2307518976. Its totient is φ = 191404800.

The previous prime is 725747567. The next prime is 725747573. The reversal of 725747568 is 865747527.

It is a self number, because there is not a number n which added to its sum of digits gives 725747568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725747567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78708 + ... + 87443.

Almost surely, 2^725747568 is an apocalyptic number.

725747568 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

725747568 is an abundant number, since it is smaller than the sum of its proper divisors (1581771408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

725747568 is a wasteful number, since it uses less digits than its factorization.

725747568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166182 (or 166176 counting only the distinct ones).

The product of its digits is 3292800, while the sum is 51.

The square root of 725747568 is about 26939.7024482454. The cubic root of 725747568 is about 898.6595551725.

The spelling of 725747568 in words is "seven hundred twenty-five million, seven hundred forty-seven thousand, five hundred sixty-eight".