42074284 has 24 divisors (see below), whose sum is σ = 88578560. Its totient is φ = 17082576.

The previous prime is 42074267. The next prime is 42074287. The reversal of 42074284 is 48247024.

It is a super-2 number, since 2×42074284² = 3540490748225312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42074287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39012 + ... + 40075.

Almost surely, 2^42074284 is an apocalyptic number.

It is an amenable number.

42074284 is an abundant number, since it is smaller than the sum of its proper divisors (46504276).

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

42074284 is a wasteful number, since it uses less digits than its factorization.

42074284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79117 (or 79115 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 31.

The square root of 42074284 is about 6486.4693015538. The cubic root of 42074284 is about 347.8074748709.

The spelling of 42074284 in words is "forty-two million, seventy-four thousand, two hundred eighty-four".