722700617 has 16 divisors (see below), whose sum is σ = 780036480. Its totient is φ = 667068672.

The previous prime is 722700547. The next prime is 722700637. The reversal of 722700617 is 716007227.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 722700617 - 2¹⁴ = 722684233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722700637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 734708 + ... + 735690.

It is an arithmetic number, because the mean of its divisors is an integer number (48752280).

Almost surely, 2^722700617 is an apocalyptic number.

It is an amenable number.

722700617 is a deficient number, since it is larger than the sum of its proper divisors (57335863).

722700617 is a wasteful number, since it uses less digits than its factorization.

722700617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792.

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 722700617 is about 26883.0916562809. The cubic root of 722700617 is about 897.4001583523.

The spelling of 722700617 in words is "seven hundred twenty-two million, seven hundred thousand, six hundred seventeen".