42007208 has 16 divisors (see below), whose sum is σ = 79576980. Its totient is φ = 20786688.

The previous prime is 42007171. The next prime is 42007243. The reversal of 42007208 is 80270024.

It can be written as a sum of positive squares in 2 ways, for example, as 35545444 + 6461764 = 5962^2 + 2542^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26291 + ... + 27842.

Almost surely, 2^42007208 is an apocalyptic number.

It is an amenable number.

42007208 is a deficient number, since it is larger than the sum of its proper divisors (37569772).

42007208 is a wasteful number, since it uses less digits than its factorization.

42007208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54236 (or 54232 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 42007208 is about 6481.2967838234. The cubic root of 42007208 is about 347.6225484306.

The spelling of 42007208 in words is "forty-two million, seven thousand, two hundred eight".