42474536 has 32 divisors (see below), whose sum is σ = 86373000. Its totient is φ = 19464960.

The previous prime is 42474529. The next prime is 42474541. The reversal of 42474536 is 63547424.

It can be written as a sum of positive squares in 4 ways, for example, as 15952036 + 26522500 = 3994^2 + 5150^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42474496 and 42474505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14126 + ... + 16866.

Almost surely, 2^42474536 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 42474536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43186500).

42474536 is an abundant number, since it is smaller than the sum of its proper divisors (43898464).

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

42474536 is a wasteful number, since it uses less digits than its factorization.

42474536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2909 (or 2905 counting only the distinct ones).

The product of its digits is 80640, while the sum is 35.

The square root of 42474536 is about 6517.2491129310. The cubic root of 42474536 is about 348.9068916352.

The spelling of 42474536 in words is "forty-two million, four hundred seventy-four thousand, five hundred thirty-six".