725264643 has 8 divisors (see below), whose sum is σ = 967392256. Its totient is φ = 483323400.

The previous prime is 725264641. The next prime is 725264669. The reversal of 725264643 is 346462527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 725264643 - 2¹ = 725264641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725264641) 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, 37243 + ... + 53268.

It is an arithmetic number, because the mean of its divisors is an integer number (120924032).

Almost surely, 2^725264643 is an apocalyptic number.

725264643 is a deficient number, since it is larger than the sum of its proper divisors (242127613).

725264643 is a wasteful number, since it uses less digits than its factorization.

725264643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93185.

The product of its digits is 241920, while the sum is 39.

The square root of 725264643 is about 26930.7378844324. The cubic root of 725264643 is about 898.4601830672.

The spelling of 725264643 in words is "seven hundred twenty-five million, two hundred sixty-four thousand, six hundred forty-three".