42069072 has 40 divisors (see below), whose sum is σ = 109100160. Its totient is φ = 13968640.

The previous prime is 42069061. The next prime is 42069073. The reversal of 42069072 is 27096024.

It is a happy number.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42069073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11929 + ... + 15047.

It is an arithmetic number, because the mean of its divisors is an integer number (2727504).

Almost surely, 2^42069072 is an apocalyptic number.

It is an amenable number.

42069072 is an abundant number, since it is smaller than the sum of its proper divisors (67031088).

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

42069072 is a wasteful number, since it uses less digits than its factorization.

42069072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411 (or 3405 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 42069072 is about 6486.0675297132. The cubic root of 42069072 is about 347.7931125951.

The spelling of 42069072 in words is "forty-two million, sixty-nine thousand, seventy-two".