42434736 has 20 divisors (see below), whose sum is σ = 109623192. Its totient is φ = 14144896.

The previous prime is 42434731. The next prime is 42434759. The reversal of 42434736 is 63743424.

It is a junction number, because it is equal to n+sod(n) for n = 42434697 and 42434706.

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 in 3 ways as a sum of consecutive naturals, for example, 441981 + ... + 442076.

Almost surely, 2^42434736 is an apocalyptic number.

It is an amenable number.

42434736 is an abundant number, since it is smaller than the sum of its proper divisors (67188456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42434736 is a wasteful number, since it uses less digits than its factorization.

42434736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884068 (or 884062 counting only the distinct ones).

The product of its digits is 48384, while the sum is 33.

The square root of 42434736 is about 6514.1949617739. The cubic root of 42434736 is about 348.7978786028.

It can be divided in two parts, 42 and 434736, that added together give a triangular number (434778 = T₉₃₂).

The spelling of 42434736 in words is "forty-two million, four hundred thirty-four thousand, seven hundred thirty-six".