722758796340 has 48 divisors (see below), whose sum is σ = 2312828149632. Its totient is φ = 165202010496.

The previous prime is 722758796323. The next prime is 722758796341. The reversal of 722758796340 is 43697857227.

It is a happy number.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722758796341) 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, 860426719 + ... + 860427558.

It is an arithmetic number, because the mean of its divisors is an integer number (48183919784).

Almost surely, 2^722758796340 is an apocalyptic number.

722758796340 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

722758796340 is an abundant number, since it is smaller than the sum of its proper divisors (1590069353292).

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

722758796340 is a wasteful number, since it uses less digits than its factorization.

722758796340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720854296 (or 1720854294 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 60.

The spelling of 722758796340 in words is "seven hundred twenty-two billion, seven hundred fifty-eight million, seven hundred ninety-six thousand, three hundred forty".