42074736 has 40 divisors (see below), whose sum is σ = 118575744. Its totient is φ = 12749760.

The previous prime is 42074713. The next prime is 42074741. The reversal of 42074736 is 63747024.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 42074697 and 42074706.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39316 + ... + 40371.

Almost surely, 2^42074736 is an apocalyptic number.

It is an amenable number.

42074736 is an abundant number, since it is smaller than the sum of its proper divisors (76501008).

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

42074736 is a wasteful number, since it uses less digits than its factorization.

42074736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79709 (or 79703 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 42074736 is about 6486.5041432192. The cubic root of 42074736 is about 347.8087203539.

The spelling of 42074736 in words is "forty-two million, seventy-four thousand, seven hundred thirty-six".