722678500 has 48 divisors (see below), whose sum is σ = 1671192432. Its totient is φ = 272064000.

The previous prime is 722678497. The next prime is 722678503. The reversal of 722678500 is 5876227.

It is an interprime number because it is at equal distance from previous prime (722678497) and next prime (722678503).

It can be written as a sum of positive squares in 8 ways, for example, as 182952676 + 539725824 = 13526^2 + 23232^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 722678500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722678503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34011 + ... + 51010.

It is an arithmetic number, because the mean of its divisors is an integer number (34816509).

Almost surely, 2^722678500 is an apocalyptic number.

It is an amenable number.

722678500 is an abundant number, since it is smaller than the sum of its proper divisors (948513932).

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

722678500 is a wasteful number, since it uses less digits than its factorization.

722678500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85057 (or 85045 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 722678500 is about 26882.6802979167. The cubic root of 722678500 is about 897.3910038000.

The spelling of 722678500 in words is "seven hundred twenty-two million, six hundred seventy-eight thousand, five hundred".