722673403 has 2 divisors, whose sum is σ = 722673404. Its totient is φ = 722673402.

The previous prime is 722673401. The next prime is 722673439. The reversal of 722673403 is 304376227.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 722673403 - 2¹ = 722673401 is a prime.

Together with 722673401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (722673401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361336701 + 361336702.

It is an arithmetic number, because the mean of its divisors is an integer number (361336702).

Almost surely, 2^722673403 is an apocalyptic number.

722673403 is a deficient number, since it is larger than the sum of its proper divisors (1).

722673403 is an equidigital number, since it uses as much as digits as its factorization.

722673403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 34.

The square root of 722673403 is about 26882.5854969346. The cubic root of 722673403 is about 897.3888940501.

The spelling of 722673403 in words is "seven hundred twenty-two million, six hundred seventy-three thousand, four hundred three".