42736860 has 72 divisors (see below), whose sum is σ = 130319280. Its totient is φ = 11336448.

The previous prime is 42736849. The next prime is 42736873. The reversal of 42736860 is 6863724.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41431 + ... + 42449.

It is an arithmetic number, because the mean of its divisors is an integer number (1809990).

Almost surely, 2^42736860 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 42736860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65159640).

42736860 is an abundant number, since it is smaller than the sum of its proper divisors (87582420).

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

42736860 is a wasteful number, since it uses less digits than its factorization.

42736860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267 (or 1262 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 42736860 is about 6537.3434971707. The cubic root of 42736860 is about 349.6237044218.

The spelling of 42736860 in words is "forty-two million, seven hundred thirty-six thousand, eight hundred sixty".