722125670 has 32 divisors (see below), whose sum is σ = 1525670208. Its totient is φ = 240893568.

The previous prime is 722125637. The next prime is 722125673. The reversal of 722125670 is 76521227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722125673) 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, 136817 + ... + 141996.

It is an arithmetic number, because the mean of its divisors is an integer number (47677194).

Almost surely, 2^722125670 is an apocalyptic number.

722125670 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

722125670 is an abundant number, since it is smaller than the sum of its proper divisors (803544538).

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

722125670 is a wasteful number, since it uses less digits than its factorization.

722125670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278864.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 722125670 is about 26872.3960598976. The cubic root of 722125670 is about 897.1621186065.

Adding to 722125670 its reverse (76521227), we get a palindrome (798646897).

The spelling of 722125670 in words is "seven hundred twenty-two million, one hundred twenty-five thousand, six hundred seventy".