42247376 has 20 divisors (see below), whose sum is σ = 81981732. Its totient is φ = 21090816.

The previous prime is 42247357. The next prime is 42247379. The reversal of 42247376 is 67374224.

It can be written as a sum of positive squares in 2 ways, for example, as 31091776 + 11155600 = 5576^2 + 3340^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42247379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11096 + ... + 14408.

Almost surely, 2^42247376 is an apocalyptic number.

It is an amenable number.

42247376 is a deficient number, since it is larger than the sum of its proper divisors (39734356).

42247376 is a wasteful number, since it uses less digits than its factorization.

42247376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4118 (or 4112 counting only the distinct ones).

The product of its digits is 56448, while the sum is 35.

The square root of 42247376 is about 6499.7981507121. The cubic root of 42247376 is about 348.2837778657.

The spelling of 42247376 in words is "forty-two million, two hundred forty-seven thousand, three hundred seventy-six".