42074144 has 36 divisors (see below), whose sum is σ = 96360894. Its totient is φ = 18031104.

The previous prime is 42074117. The next prime is 42074171. The reversal of 42074144 is 44147024.

It is an interprime number because it is at equal distance from previous prime (42074117) and next prime (42074171).

It can be written as a sum of positive squares in only one way, i.e., 41113744 + 960400 = 6412^2 + 980^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11849 + ... + 14984.

Almost surely, 2^42074144 is an apocalyptic number.

It is an amenable number.

42074144 is an abundant number, since it is smaller than the sum of its proper divisors (54286750).

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

42074144 is a wasteful number, since it uses less digits than its factorization.

42074144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26857 (or 26842 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 42074144 is about 6486.4585098496. The cubic root of 42074144 is about 347.8070891001.

The spelling of 42074144 in words is "forty-two million, seventy-four thousand, one hundred forty-four".