42573487 has 6 divisors (see below), whose sum is σ = 46795784. Its totient is φ = 38703060.

The previous prime is 42573431. The next prime is 42573523. The reversal of 42573487 is 78437524.

It is not a de Polignac number, because 42573487 - 2⁷ = 42573359 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 (42573407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 175803 + ... + 176044.

Almost surely, 2^42573487 is an apocalyptic number.

42573487 is a deficient number, since it is larger than the sum of its proper divisors (4222297).

42573487 is a wasteful number, since it uses less digits than its factorization.

42573487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351869 (or 351858 counting only the distinct ones).

The product of its digits is 188160, while the sum is 40.

The square root of 42573487 is about 6524.8361665256. The cubic root of 42573487 is about 349.1776256917.

It can be divided in two parts, 4257 and 3487, that added together give a square (7744 = 88²).

The spelling of 42573487 in words is "forty-two million, five hundred seventy-three thousand, four hundred eighty-seven".