722632653 has 24 divisors (see below), whose sum is σ = 1099792512. Its totient is φ = 456321888.

The previous prime is 722632633. The next prime is 722632693. The reversal of 722632653 is 356236227.

It is a happy number.

It is not a de Polignac number, because 722632653 - 2⁸ = 722632397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722632633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4375 + ... + 38267.

It is an arithmetic number, because the mean of its divisors is an integer number (45824688).

Almost surely, 2^722632653 is an apocalyptic number.

It is an amenable number.

722632653 is a deficient number, since it is larger than the sum of its proper divisors (377159859).

722632653 is a wasteful number, since it uses less digits than its factorization.

722632653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34025 (or 34022 counting only the distinct ones).

The product of its digits is 90720, while the sum is 36.

The square root of 722632653 is about 26881.8275606403. The cubic root of 722632653 is about 897.3720264560.

It can be divided in two parts, 722 and 632653, that added together give a triangular number (633375 = T₁₁₂₅).

The spelling of 722632653 in words is "seven hundred twenty-two million, six hundred thirty-two thousand, six hundred fifty-three".