37218442 has 8 divisors (see below), whose sum is σ = 56170656. Its totient is φ = 18494892.

The previous prime is 37218437. The next prime is 37218443. The reversal of 37218442 is 24481273.

37218442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (37218443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56758 + ... + 57409.

It is an arithmetic number, because the mean of its divisors is an integer number (7021332).

Almost surely, 2^37218442 is an apocalyptic number.

37218442 is a deficient number, since it is larger than the sum of its proper divisors (18952214).

37218442 is a wasteful number, since it uses less digits than its factorization.

37218442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114332.

The product of its digits is 10752, while the sum is 31.

The square root of 37218442 is about 6100.6919279701. The cubic root of 37218442 is about 333.8766621225.

The spelling of 37218442 in words is "thirty-seven million, two hundred eighteen thousand, four hundred forty-two".