42836736 has 108 divisors (see below), whose sum is σ = 121736552. Its totient is φ = 13369344.

The previous prime is 42836711. The next prime is 42836743. The reversal of 42836736 is 63763824.

It is a super-2 number, since 2×42836736² = 3669971902267392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42836694 and 42836703.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221856 + ... + 222048.

Almost surely, 2^42836736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42836736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60868276).

42836736 is an abundant number, since it is smaller than the sum of its proper divisors (78899816).

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

42836736 is a wasteful number, since it uses less digits than its factorization.

42836736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 215 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The square root of 42836736 is about 6544.9779220407. The cubic root of 42836736 is about 349.8958492827.

The spelling of 42836736 in words is "forty-two million, eight hundred thirty-six thousand, seven hundred thirty-six".