722954740 has 24 divisors (see below), whose sum is σ = 1518734952. Its totient is φ = 289080960.

The previous prime is 722954719. The next prime is 722954741. The reversal of 722954740 is 47459227.

It can be written as a sum of positive squares in 4 ways, for example, as 218862436 + 504092304 = 14794^2 + 22452^2 .

It is a junction number, because it is equal to n+sod(n) for n = 722954693 and 722954702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722954741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83830 + ... + 92050.

It is an arithmetic number, because the mean of its divisors is an integer number (63280623).

Almost surely, 2^722954740 is an apocalyptic number.

It is an amenable number.

722954740 is an abundant number, since it is smaller than the sum of its proper divisors (795780212).

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

722954740 is a wasteful number, since it uses less digits than its factorization.

722954740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12627 (or 12625 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 722954740 is about 26887.8176875700. The cubic root of 722954740 is about 897.5053302084.

The spelling of 722954740 in words is "seven hundred twenty-two million, nine hundred fifty-four thousand, seven hundred forty".