47129973 has 16 divisors (see below), whose sum is σ = 69382656. Its totient is φ = 28217840.

The previous prime is 47129963. The next prime is 47129977. The reversal of 47129973 is 37992174.

It is a cyclic number.

It is not a de Polignac number, because 47129973 - 2⁵ = 47129941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47129977) 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, 5865 + ... + 11342.

It is an arithmetic number, because the mean of its divisors is an integer number (4336416).

Almost surely, 2^47129973 is an apocalyptic number.

It is an amenable number.

47129973 is a deficient number, since it is larger than the sum of its proper divisors (22252683).

47129973 is a wasteful number, since it uses less digits than its factorization.

47129973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17304.

The product of its digits is 95256, while the sum is 42.

The square root of 47129973 is about 6865.1273112740. The cubic root of 47129973 is about 361.2149613809.

The spelling of 47129973 in words is "forty-seven million, one hundred twenty-nine thousand, nine hundred seventy-three".