42712473 has 4 divisors (see below), whose sum is σ = 56949968. Its totient is φ = 28474980.

The previous prime is 42712471. The next prime is 42712493. The reversal of 42712473 is 37421724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42712473 - 2¹ = 42712471 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42712473.

It is not an unprimeable number, because it can be changed into a prime (42712471) 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, 7118743 + ... + 7118748.

It is an arithmetic number, because the mean of its divisors is an integer number (14237492).

Almost surely, 2^42712473 is an apocalyptic number.

It is an amenable number.

42712473 is a deficient number, since it is larger than the sum of its proper divisors (14237495).

42712473 is a wasteful number, since it uses less digits than its factorization.

42712473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14237494.

The product of its digits is 9408, while the sum is 30.

The square root of 42712473 is about 6535.4780238327. The cubic root of 42712473 is about 349.5571896647.

The spelling of 42712473 in words is "forty-two million, seven hundred twelve thousand, four hundred seventy-three".