42748473 has 16 divisors (see below), whose sum is σ = 59198976. Its totient is φ = 27409920.

The previous prime is 42748469. The next prime is 42748483. The reversal of 42748473 is 37484724.

It is not a de Polignac number, because 42748473 - 2² = 42748469 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42748483) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 14761 + ... + 17417.

It is an arithmetic number, because the mean of its divisors is an integer number (3699936).

Almost surely, 2^42748473 is an apocalyptic number.

It is an amenable number.

42748473 is a deficient number, since it is larger than the sum of its proper divisors (16450503).

42748473 is a wasteful number, since it uses less digits than its factorization.

42748473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2864.

The product of its digits is 150528, while the sum is 39.

The square root of 42748473 is about 6538.2316416597. The cubic root of 42748473 is about 349.6553696118.

The spelling of 42748473 in words is "forty-two million, seven hundred forty-eight thousand, four hundred seventy-three".