461729047 has 4 divisors (see below), whose sum is σ = 497246680. Its totient is φ = 426211416.

The previous prime is 461729041. The next prime is 461729077. The reversal of 461729047 is 740927164.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 461729047 - 2⁷ = 461728919 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 (461729041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17758797 + ... + 17758822.

It is an arithmetic number, because the mean of its divisors is an integer number (124311670).

Almost surely, 2^461729047 is an apocalyptic number.

461729047 is a deficient number, since it is larger than the sum of its proper divisors (35517633).

461729047 is a wasteful number, since it uses less digits than its factorization.

461729047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35517632.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 461729047 is about 21487.8813985930. The cubic root of 461729047 is about 772.9102477705.

The spelling of 461729047 in words is "four hundred sixty-one million, seven hundred twenty-nine thousand, forty-seven".