37381066 has 4 divisors (see below), whose sum is σ = 56071602. Its totient is φ = 18690532.

The previous prime is 37381033. The next prime is 37381067. The reversal of 37381066 is 66018373.

37381066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66018373 = 43 ⋅1535311.

It can be written as a sum of positive squares in only one way, i.e., 22287841 + 15093225 = 4721^2 + 3885^2 .

It is not an unprimeable number, because it can be changed into a prime (37381067) 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 as a sum of consecutive naturals, namely, 9345265 + ... + 9345268.

Almost surely, 2^37381066 is an apocalyptic number.

37381066 is a deficient number, since it is larger than the sum of its proper divisors (18690536).

37381066 is a wasteful number, since it uses less digits than its factorization.

37381066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18690535.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 37381066 is about 6114.0057245639. The cubic root of 37381066 is about 334.3622410015.

The spelling of 37381066 in words is "thirty-seven million, three hundred eighty-one thousand, sixty-six".