722575667 has 16 divisors (see below), whose sum is σ = 835660800. Its totient is φ = 617485440.

The previous prime is 722575663. The next prime is 722575691. The reversal of 722575667 is 766575227.

It is not a de Polignac number, because 722575667 - 2² = 722575663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722575663) 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, 192434 + ... + 196152.

It is an arithmetic number, because the mean of its divisors is an integer number (52228800).

Almost surely, 2^722575667 is an apocalyptic number.

722575667 is a deficient number, since it is larger than the sum of its proper divisors (113085133).

722575667 is a wasteful number, since it uses less digits than its factorization.

722575667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4786.

The product of its digits is 1234800, while the sum is 47.

The square root of 722575667 is about 26880.7676043673. The cubic root of 722575667 is about 897.3484372523.

The spelling of 722575667 in words is "seven hundred twenty-two million, five hundred seventy-five thousand, six hundred sixty-seven".