722530136 has 16 divisors (see below), whose sum is σ = 1366734600. Its totient is φ = 358067584.

The previous prime is 722530103. The next prime is 722530183. The reversal of 722530136 is 631035227.

722530136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 722530099 and 722530108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398726 + ... + 400533.

Almost surely, 2^722530136 is an apocalyptic number.

It is an amenable number.

722530136 is a deficient number, since it is larger than the sum of its proper divisors (644204464).

722530136 is a wasteful number, since it uses less digits than its factorization.

722530136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799378 (or 799374 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 722530136 is about 26879.9206844068. The cubic root of 722530136 is about 897.3295889241.

The spelling of 722530136 in words is "seven hundred twenty-two million, five hundred thirty thousand, one hundred thirty-six".