507729447 has 12 divisors (see below), whose sum is σ = 733591144. Its totient is φ = 338392080.

The previous prime is 507729437. The next prime is 507729473. The reversal of 507729447 is 744927705.

It is not a de Polignac number, because 507729447 - 2⁷ = 507729319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507729427) 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, 44997 + ... + 55137.

Almost surely, 2^507729447 is an apocalyptic number.

507729447 is a deficient number, since it is larger than the sum of its proper divisors (225861697).

507729447 is a wasteful number, since it uses less digits than its factorization.

507729447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15710 (or 15707 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The square root of 507729447 is about 22532.8526156810. The cubic root of 507729447 is about 797.7695407396.

The spelling of 507729447 in words is "five hundred seven million, seven hundred twenty-nine thousand, four hundred forty-seven".