37881142 has 16 divisors (see below), whose sum is σ = 61295472. Its totient is φ = 17454240.

The previous prime is 37881133. The next prime is 37881169. The reversal of 37881142 is 24118873.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 37881098 and 37881107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25833 + ... + 27259.

It is an arithmetic number, because the mean of its divisors is an integer number (3830967).

Almost surely, 2^37881142 is an apocalyptic number.

37881142 is a deficient number, since it is larger than the sum of its proper divisors (23414330).

37881142 is a wasteful number, since it uses less digits than its factorization.

37881142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463.

The product of its digits is 10752, while the sum is 34.

The square root of 37881142 is about 6154.7657957066. The cubic root of 37881142 is about 335.8466503075.

The spelling of 37881142 in words is "thirty-seven million, eight hundred eighty-one thousand, one hundred forty-two".