47473745 has 24 divisors (see below), whose sum is σ = 63201600. Its totient is φ = 34205600.

The previous prime is 47473739. The next prime is 47473813. The reversal of 47473745 is 54737474.

It is not a de Polignac number, because 47473745 - 2⁴ = 47473729 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78956 + ... + 79554.

It is an arithmetic number, because the mean of its divisors is an integer number (2633400).

Almost surely, 2^47473745 is an apocalyptic number.

It is an amenable number.

47473745 is a deficient number, since it is larger than the sum of its proper divisors (15727855).

47473745 is a wasteful number, since it uses less digits than its factorization.

47473745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757 (or 746 counting only the distinct ones).

The product of its digits is 329280, while the sum is 41.

The square root of 47473745 is about 6890.1193748730. The cubic root of 47473745 is about 362.0910838840.

The spelling of 47473745 in words is "forty-seven million, four hundred seventy-three thousand, seven hundred forty-five".