722735270 has 32 divisors (see below), whose sum is σ = 1321862976. Its totient is φ = 284457600.

The previous prime is 722735267. The next prime is 722735329. The reversal of 722735270 is 72537227.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 722735270.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 707360 + ... + 708380.

It is an arithmetic number, because the mean of its divisors is an integer number (41308218).

Almost surely, 2^722735270 is an apocalyptic number.

722735270 is a deficient number, since it is larger than the sum of its proper divisors (599127706).

722735270 is a wasteful number, since it uses less digits than its factorization.

722735270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096.

The product of its (nonzero) digits is 41160, while the sum is 35.

The square root of 722735270 is about 26883.7361614787. The cubic root of 722735270 is about 897.4145013642.

The spelling of 722735270 in words is "seven hundred twenty-two million, seven hundred thirty-five thousand, two hundred seventy".