725673701 has 2 divisors, whose sum is σ = 725673702. Its totient is φ = 725673700.

The previous prime is 725673677. The next prime is 725673727. The reversal of 725673701 is 107376527.

725673701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 725009476 + 664225 = 26926^2 + 815^2 .

It is a cyclic number.

It is not a de Polignac number, because 725673701 - 2²² = 721479397 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725673791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362836850 + 362836851.

It is an arithmetic number, because the mean of its divisors is an integer number (362836851).

Almost surely, 2^725673701 is an apocalyptic number.

It is an amenable number.

725673701 is a deficient number, since it is larger than the sum of its proper divisors (1).

725673701 is an equidigital number, since it uses as much as digits as its factorization.

725673701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61740, while the sum is 38.

The square root of 725673701 is about 26938.3314442450. The cubic root of 725673701 is about 898.6290654446.

The spelling of 725673701 in words is "seven hundred twenty-five million, six hundred seventy-three thousand, seven hundred one".