720375373 has 2 divisors, whose sum is σ = 720375374. Its totient is φ = 720375372.

The previous prime is 720375349. The next prime is 720375421. The reversal of 720375373 is 373573027.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 454457124 + 265918249 = 21318^2 + 16307^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-720375373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (720375473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360187686 + 360187687.

It is an arithmetic number, because the mean of its divisors is an integer number (360187687).

Almost surely, 2^720375373 is an apocalyptic number.

It is an amenable number.

720375373 is a deficient number, since it is larger than the sum of its proper divisors (1).

720375373 is an equidigital number, since it uses as much as digits as its factorization.

720375373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92610, while the sum is 37.

The square root of 720375373 is about 26839.8094814401. The cubic root of 720375373 is about 896.4366813568.

The spelling of 720375373 in words is "seven hundred twenty million, three hundred seventy-five thousand, three hundred seventy-three".