42434732 has 6 divisors (see below), whose sum is σ = 74260788. Its totient is φ = 21217364.

The previous prime is 42434731. The next prime is 42434759. The reversal of 42434732 is 23743424.

It is a junction number, because it is equal to n+sod(n) for n = 42434695 and 42434704.

It is not an unprimeable number, because it can be changed into a prime (42434731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5304338 + ... + 5304345.

It is an arithmetic number, because the mean of its divisors is an integer number (12376798).

Almost surely, 2^42434732 is an apocalyptic number.

It is an amenable number.

42434732 is a deficient number, since it is larger than the sum of its proper divisors (31826056).

42434732 is a wasteful number, since it uses less digits than its factorization.

42434732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10608687 (or 10608685 counting only the distinct ones).

The product of its digits is 16128, while the sum is 29.

The square root of 42434732 is about 6514.1946547520. The cubic root of 42434732 is about 348.7978676433.

The spelling of 42434732 in words is "forty-two million, four hundred thirty-four thousand, seven hundred thirty-two".