1744064644 has 81 divisors (see below), whose sum is σ = 3771135333. Its totient is φ = 703606176.

The previous prime is 1744064633. The next prime is 1744064659. The reversal of 1744064644 is 4464604471.

The square root of 1744064644 is 41762.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 511212100 + 1232852544 = 22610^2 + 35112^2 .

It is a super-2 number, since 2×1744064644² = 6083522964901693472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1744064597 and 1744064606.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11108614 + ... + 11108770.

Almost surely, 2^1744064644 is an apocalyptic number.

1744064644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1744064644 is the 41762-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1744064644

1744064644 is an abundant number, since it is smaller than the sum of its proper divisors (2027070689).

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

1744064644 is a wasteful number, since it uses less digits than its factorization.

1744064644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 40.

The cubic root of 1744064644 is about 1203.7072030037.

The spelling of 1744064644 in words is "one billion, seven hundred forty-four million, sixty-four thousand, six hundred forty-four".