725762377 has 4 divisors (see below), whose sum is σ = 725957316. Its totient is φ = 725567440.

The previous prime is 725762347. The next prime is 725762413. The reversal of 725762377 is 773267527.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 273604681 + 452157696 = 16541^2 + 21264^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-725762377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725762327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91774 + ... + 99367.

It is an arithmetic number, because the mean of its divisors is an integer number (181489329).

Almost surely, 2^725762377 is an apocalyptic number.

It is an amenable number.

725762377 is a deficient number, since it is larger than the sum of its proper divisors (194939).

725762377 is a wasteful number, since it uses less digits than its factorization.

725762377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194938.

The product of its digits is 864360, while the sum is 46.

The square root of 725762377 is about 26939.9773014010. The cubic root of 725762377 is about 898.6656675636.

The spelling of 725762377 in words is "seven hundred twenty-five million, seven hundred sixty-two thousand, three hundred seventy-seven".