37942193 has 4 divisors (see below), whose sum is σ = 37954560. Its totient is φ = 37929828.

The previous prime is 37942169. The next prime is 37942241. The reversal of 37942193 is 39124973.

37942193 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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 37942193 - 2⁶ = 37942129 is a prime.

It is a super-2 number, since 2×37942193² = 2879220019298498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37942103) 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, 2288 + ... + 9006.

It is an arithmetic number, because the mean of its divisors is an integer number (9488640).

Almost surely, 2^37942193 is an apocalyptic number.

It is an amenable number.

37942193 is a deficient number, since it is larger than the sum of its proper divisors (12367).

37942193 is an equidigital number, since it uses as much as digits as its factorization.

37942193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12366.

The product of its digits is 40824, while the sum is 38.

The square root of 37942193 is about 6159.7234515845. The cubic root of 37942193 is about 336.0269754656.

The spelling of 37942193 in words is "thirty-seven million, nine hundred forty-two thousand, one hundred ninety-three".