1729379973 has 16 divisors (see below), whose sum is σ = 2329862400. Its totient is φ = 1140966336.

The previous prime is 1729379929. The next prime is 1729379987. The reversal of 1729379973 is 3799739271.

It is not a de Polignac number, because 1729379973 - 2¹⁰ = 1729378949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1729379273) 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, 116836 + ... + 130802.

It is an arithmetic number, because the mean of its divisors is an integer number (145616400).

Almost surely, 2^1729379973 is an apocalyptic number.

It is an amenable number.

1729379973 is a deficient number, since it is larger than the sum of its proper divisors (600482427).

1729379973 is a wasteful number, since it uses less digits than its factorization.

1729379973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14396.

The product of its digits is 4500846, while the sum is 57.

The square root of 1729379973 is about 41585.8145645844. The cubic root of 1729379973 is about 1200.3193531982.

The spelling of 1729379973 in words is "one billion, seven hundred twenty-nine million, three hundred seventy-nine thousand, nine hundred seventy-three".