42107284 has 6 divisors (see below), whose sum is σ = 73687754. Its totient is φ = 21053640.

The previous prime is 42107257. The next prime is 42107291. The reversal of 42107284 is 48270124.

It can be written as a sum of positive squares in only one way, i.e., 31674384 + 10432900 = 5628^2 + 3230^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5263407 + ... + 5263414.

Almost surely, 2^42107284 is an apocalyptic number.

It is an amenable number.

42107284 is a deficient number, since it is larger than the sum of its proper divisors (31580470).

42107284 is a wasteful number, since it uses less digits than its factorization.

42107284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10526825 (or 10526823 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 42107284 is about 6489.0125597043. The cubic root of 42107284 is about 347.8983827141.

The spelling of 42107284 in words is "forty-two million, one hundred seven thousand, two hundred eighty-four".