1729954245 has 32 divisors (see below), whose sum is σ = 2813829120. Its totient is φ = 907433280.

The previous prime is 1729954229. The next prime is 1729954267. The reversal of 1729954245 is 5424599271.

It is a happy number.

It is not a de Polignac number, because 1729954245 - 2⁴ = 1729954229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1729954194 and 1729954203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 318442 + ... + 323828.

It is an arithmetic number, because the mean of its divisors is an integer number (87932160).

Almost surely, 2^1729954245 is an apocalyptic number.

1729954245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1729954245 is a deficient number, since it is larger than the sum of its proper divisors (1083874875).

1729954245 is a wasteful number, since it uses less digits than its factorization.

1729954245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5745.

The product of its digits is 907200, while the sum is 48.

The square root of 1729954245 is about 41592.7186536297. The cubic root of 1729954245 is about 1200.4522011015.

The spelling of 1729954245 in words is "one billion, seven hundred twenty-nine million, nine hundred fifty-four thousand, two hundred forty-five".