1744421629 has 12 divisors (see below), whose sum is σ = 1898280468. Its totient is φ = 1601753600.

The previous prime is 1744421617. The next prime is 1744421639. The reversal of 1744421629 is 9261244471.

It can be written as a sum of positive squares in 6 ways, for example, as 6365529 + 1738056100 = 2523^2 + 41690^2 .

It is not a de Polignac number, because 1744421629 - 2⁹ = 1744421117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1744421591 and 1744421600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1744421639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61762 + ... + 85459.

It is an arithmetic number, because the mean of its divisors is an integer number (158190039).

Almost surely, 2^1744421629 is an apocalyptic number.

It is an amenable number.

1744421629 is a deficient number, since it is larger than the sum of its proper divisors (153858839).

1744421629 is a wasteful number, since it uses less digits than its factorization.

1744421629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147296 (or 147279 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 1744421629 is about 41766.2738223079. The cubic root of 1744421629 is about 1203.7893245967.

The spelling of 1744421629 in words is "one billion, seven hundred forty-four million, four hundred twenty-one thousand, six hundred twenty-nine".