42153734 has 8 divisors (see below), whose sum is σ = 72263568. Its totient is φ = 18065880.

The previous prime is 42153721. The next prime is 42153737. The reversal of 42153734 is 43735124.

It is a happy number.

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 = 42153697 and 42153706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42153737) 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 3 ways as a sum of consecutive naturals, for example, 1505477 + ... + 1505504.

It is an arithmetic number, because the mean of its divisors is an integer number (9032946).

Almost surely, 2^42153734 is an apocalyptic number.

42153734 is a deficient number, since it is larger than the sum of its proper divisors (30109834).

42153734 is a wasteful number, since it uses less digits than its factorization.

42153734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3010990.

The product of its digits is 10080, while the sum is 29.

The square root of 42153734 is about 6492.5907001751. The cubic root of 42153734 is about 348.0262619455.

Adding to 42153734 its reverse (43735124), we get a palindrome (85888858).

The spelling of 42153734 in words is "forty-two million, one hundred fifty-three thousand, seven hundred thirty-four".