722946610 has 16 divisors (see below), whose sum is σ = 1301693400. Its totient is φ = 289092096.

The previous prime is 722946593. The next prime is 722946613. The reversal of 722946610 is 16649227.

It can be written as a sum of positive squares in 4 ways, for example, as 356492161 + 366454449 = 18881^2 + 19143^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 722946610.

It is not an unprimeable number, because it can be changed into a prime (722946613) 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, 32536 + ... + 50044.

Almost surely, 2^722946610 is an apocalyptic number.

722946610 is a deficient number, since it is larger than the sum of its proper divisors (578746790).

722946610 is a wasteful number, since it uses less digits than its factorization.

722946610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21645.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 722946610 is about 26887.6665034361. Note that the first 3 decimals coincide. The cubic root of 722946610 is about 897.5019658919.

The spelling of 722946610 in words is "seven hundred twenty-two million, nine hundred forty-six thousand, six hundred ten".