722070685 has 16 divisors (see below), whose sum is σ = 999887616. Its totient is φ = 490324608.

The previous prime is 722070659. The next prime is 722070697. The reversal of 722070685 is 586070227.

It is a cyclic number.

It is not a de Polignac number, because 722070685 - 2⁵ = 722070653 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96544 + ... + 103753.

It is an arithmetic number, because the mean of its divisors is an integer number (62492976).

Almost surely, 2^722070685 is an apocalyptic number.

It is an amenable number.

722070685 is a deficient number, since it is larger than the sum of its proper divisors (277816931).

722070685 is a wasteful number, since it uses less digits than its factorization.

722070685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200412.

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

The square root of 722070685 is about 26871.3729645510. The cubic root of 722070685 is about 897.1393470802.

The spelling of 722070685 in words is "seven hundred twenty-two million, seventy thousand, six hundred eighty-five".