42515734 has 8 divisors (see below), whose sum is σ = 65256840. Its totient is φ = 20763456.

The previous prime is 42515731. The next prime is 42515747. The reversal of 42515734 is 43751524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42515696 and 42515705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42515731) 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, 247099 + ... + 247270.

It is an arithmetic number, because the mean of its divisors is an integer number (8157105).

Almost surely, 2^42515734 is an apocalyptic number.

42515734 is a deficient number, since it is larger than the sum of its proper divisors (22741106).

42515734 is a wasteful number, since it uses less digits than its factorization.

42515734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494414.

The product of its digits is 16800, while the sum is 31.

The square root of 42515734 is about 6520.4090362492. The cubic root of 42515734 is about 349.0196621134.

The spelling of 42515734 in words is "forty-two million, five hundred fifteen thousand, seven hundred thirty-four".