722377 has 2 divisors, whose sum is σ = 722378. Its totient is φ = 722376.

The previous prime is 722369. The next prime is 722389. The reversal of 722377 is 773227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 622521 + 99856 = 789^2 + 316^2 .

It is a cyclic number.

It is not a de Polignac number, because 722377 - 2³ = 722369 is a prime.

It is not a weakly prime, because it can be changed into another prime (722317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361188 + 361189.

It is an arithmetic number, because the mean of its divisors is an integer number (361189).

2⁷²²³⁷⁷ is an apocalyptic number.

It is an amenable number.

722377 is a deficient number, since it is larger than the sum of its proper divisors (1).

722377 is an equidigital number, since it uses as much as digits as its factorization.

722377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4116, while the sum is 28.

The square root of 722377 is about 849.9276439792. The cubic root of 722377 is about 89.7266189874.

The spelling of 722377 in words is "seven hundred twenty-two thousand, three hundred seventy-seven", and thus it is an iban number.