722730654 has 16 divisors (see below), whose sum is σ = 1606068240. Its totient is φ = 240910200.

The previous prime is 722730643. The next prime is 722730677. The reversal of 722730654 is 456037227.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6691897 + ... + 6692004.

It is an arithmetic number, because the mean of its divisors is an integer number (100379265).

Almost surely, 2^722730654 is an apocalyptic number.

722730654 is an abundant number, since it is smaller than the sum of its proper divisors (883337586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

722730654 is a wasteful number, since it uses less digits than its factorization.

722730654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13383912 (or 13383906 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 722730654 is about 26883.6503101792. The cubic root of 722730654 is about 897.4125908102.

The spelling of 722730654 in words is "seven hundred twenty-two million, seven hundred thirty thousand, six hundred fifty-four".