37442137 has 4 divisors (see below), whose sum is σ = 39070080. Its totient is φ = 35814196.

The previous prime is 37442131. The next prime is 37442147. The reversal of 37442137 is 73124473.

37442137 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37442137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 37442099 and 37442108.

It is not an unprimeable number, because it can be changed into a prime (37442131) 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, 813937 + ... + 813982.

It is an arithmetic number, because the mean of its divisors is an integer number (9767520).

Almost surely, 2^37442137 is an apocalyptic number.

It is an amenable number.

37442137 is a deficient number, since it is larger than the sum of its proper divisors (1627943).

37442137 is a wasteful number, since it uses less digits than its factorization.

37442137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627942.

The product of its digits is 14112, while the sum is 31.

The square root of 37442137 is about 6118.9980388949. The cubic root of 37442137 is about 334.5442290901.

The spelling of 37442137 in words is "thirty-seven million, four hundred forty-two thousand, one hundred thirty-seven".