42079572 has 18 divisors (see below), whose sum is σ = 106367898. Its totient is φ = 14026512.

The previous prime is 42079561. The next prime is 42079577. The reversal of 42079572 is 27597024.

It can be written as a sum of positive squares in only one way, i.e., 24740676 + 17338896 = 4974^2 + 4164^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1168877 = 42079572 / (4 + 2 + 0 + 7 + 9 + 5 + 7 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42079577) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 584403 + ... + 584474.

Almost surely, 2^42079572 is an apocalyptic number.

It is an amenable number.

42079572 is an abundant number, since it is smaller than the sum of its proper divisors (64288326).

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

42079572 is a wasteful number, since it uses less digits than its factorization.

42079572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168887 (or 1168882 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 42079572 is about 6486.8769064936. The cubic root of 42079572 is about 347.8220453616.

The spelling of 42079572 in words is "forty-two million, seventy-nine thousand, five hundred seventy-two".