722632105 has 8 divisors (see below), whose sum is σ = 933863112. Its totient is φ = 533635968.

The previous prime is 722632091. The next prime is 722632109. The reversal of 722632105 is 501236227.

It can be written as a sum of positive squares in 4 ways, for example, as 24245776 + 698386329 = 4924^2 + 26427^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 722632105 - 2⁷ = 722631977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (722632109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5558644 + ... + 5558773.

It is an arithmetic number, because the mean of its divisors is an integer number (116732889).

Almost surely, 2^722632105 is an apocalyptic number.

It is an amenable number.

722632105 is a deficient number, since it is larger than the sum of its proper divisors (211231007).

722632105 is a wasteful number, since it uses less digits than its factorization.

722632105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11117435.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 722632105 is about 26881.8173678790. The cubic root of 722632105 is about 897.3717996188.

The spelling of 722632105 in words is "seven hundred twenty-two million, six hundred thirty-two thousand, one hundred five".