725518067 has 8 divisors (see below), whose sum is σ = 735244800. Its totient is φ = 715805064.

The previous prime is 725518063. The next prime is 725518081. The reversal of 725518067 is 760815527.

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 725518067 - 2² = 725518063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725518063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145034 + ... + 149952.

It is an arithmetic number, because the mean of its divisors is an integer number (91905600).

Almost surely, 2^725518067 is an apocalyptic number.

725518067 is a deficient number, since it is larger than the sum of its proper divisors (9726733).

725518067 is a wasteful number, since it uses less digits than its factorization.

725518067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6865.

The product of its (nonzero) digits is 117600, while the sum is 41.

The square root of 725518067 is about 26935.4425803624. The cubic root of 725518067 is about 898.5648183708.

The spelling of 725518067 in words is "seven hundred twenty-five million, five hundred eighteen thousand, sixty-seven".