42609276 has 36 divisors (see below), whose sum is σ = 114044112. Its totient is φ = 13367424.

The previous prime is 42609263. The next prime is 42609277. The reversal of 42609276 is 67290624.

It is a happy number.

42609276 is a `hidden beast` number, since 42 + 609 + 2 + 7 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a self number, because there is not a number n which added to its sum of digits gives 42609276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42609277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34200 + ... + 35423.

It is an arithmetic number, because the mean of its divisors is an integer number (3167892).

Almost surely, 2^42609276 is an apocalyptic number.

It is an amenable number.

42609276 is an abundant number, since it is smaller than the sum of its proper divisors (71434836).

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

42609276 is a wasteful number, since it uses less digits than its factorization.

42609276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69650 (or 69645 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 42609276 is about 6527.5781113672. The cubic root of 42609276 is about 349.2754425789.

The spelling of 42609276 in words is "forty-two million, six hundred nine thousand, two hundred seventy-six".