1729457005 has 16 divisors (see below), whose sum is σ = 2204527104. Its totient is φ = 1297972480.

The previous prime is 1729456999. The next prime is 1729457027. The reversal of 1729457005 is 5007549271.

It is not a de Polignac number, because 1729457005 - 2⁷ = 1729456877 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 6277 + ... + 59146.

It is an arithmetic number, because the mean of its divisors is an integer number (137782944).

Almost surely, 2^1729457005 is an apocalyptic number.

It is an amenable number.

1729457005 is a deficient number, since it is larger than the sum of its proper divisors (475070099).

1729457005 is a wasteful number, since it uses less digits than its factorization.

1729457005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65756.

The product of its (nonzero) digits is 88200, while the sum is 40.

The square root of 1729457005 is about 41586.7407354796. The cubic root of 1729457005 is about 1200.3371749279.

The spelling of 1729457005 in words is "one billion, seven hundred twenty-nine million, four hundred fifty-seven thousand, five".