42707436 has 12 divisors (see below), whose sum is σ = 99650712. Its totient is φ = 14235808.

The previous prime is 42707377. The next prime is 42707437. The reversal of 42707436 is 63470724.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 42707397 and 42707406.

It is not an unprimeable number, because it can be changed into a prime (42707437) 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, 1779465 + ... + 1779488.

It is an arithmetic number, because the mean of its divisors is an integer number (8304226).

Almost surely, 2^42707436 is an apocalyptic number.

It is an amenable number.

42707436 is an abundant number, since it is smaller than the sum of its proper divisors (56943276).

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

42707436 is a wasteful number, since it uses less digits than its factorization.

42707436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3558960 (or 3558958 counting only the distinct ones).

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

The square root of 42707436 is about 6535.0926542781. The cubic root of 42707436 is about 349.5434482549.

The spelling of 42707436 in words is "forty-two million, seven hundred seven thousand, four hundred thirty-six".