1722713740 has 48 divisors (see below), whose sum is σ = 3952376064. Its totient is φ = 625521600.

The previous prime is 1722713723. The next prime is 1722713789. The reversal of 1722713740 is 473172271.

It is a junction number, because it is equal to n+sod(n) for n = 1722713696 and 1722713705.

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, 154555 + ... + 165325.

It is an arithmetic number, because the mean of its divisors is an integer number (82341168).

Almost surely, 2^1722713740 is an apocalyptic number.

1722713740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1722713740 is an abundant number, since it is smaller than the sum of its proper divisors (2229662324).

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

1722713740 is a wasteful number, since it uses less digits than its factorization.

1722713740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11518 (or 11516 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 1722713740 is about 41505.5868528563. The cubic root of 1722713740 is about 1198.7750787691.

The spelling of 1722713740 in words is "one billion, seven hundred twenty-two million, seven hundred thirteen thousand, seven hundred forty".