722752071 has 8 divisors (see below), whose sum is σ = 966582144. Its totient is φ = 480378360.

The previous prime is 722752067. The next prime is 722752081. The reversal of 722752071 is 170257227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 722752071 - 2² = 722752067 is a prime.

It is a super-2 number, since 2×722752071² = 1044741112269578082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722752031) 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 7 ways as a sum of consecutive naturals, for example, 362931 + ... + 364916.

It is an arithmetic number, because the mean of its divisors is an integer number (120822768).

Almost surely, 2^722752071 is an apocalyptic number.

722752071 is a deficient number, since it is larger than the sum of its proper divisors (243830073).

722752071 is a wasteful number, since it uses less digits than its factorization.

722752071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728181.

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 722752071 is about 26884.0486348318. The cubic root of 722752071 is about 897.4214551986.

The spelling of 722752071 in words is "seven hundred twenty-two million, seven hundred fifty-two thousand, seventy-one".