37442429 has 2 divisors, whose sum is σ = 37442430. Its totient is φ = 37442428.

The previous prime is 37442387. The next prime is 37442473. The reversal of 37442429 is 92424473.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36844900 + 597529 = 6070^2 + 773^2 .

It is an emirp because it is prime and its reverse (92424473) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37442429 - 2²⁰ = 36393853 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37442479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18721214 + 18721215.

It is an arithmetic number, because the mean of its divisors is an integer number (18721215).

Almost surely, 2^37442429 is an apocalyptic number.

It is an amenable number.

37442429 is a deficient number, since it is larger than the sum of its proper divisors (1).

37442429 is an equidigital number, since it uses as much as digits as its factorization.

37442429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 35.

The square root of 37442429 is about 6119.0218989639. The cubic root of 37442429 is about 334.5450987579.

The spelling of 37442429 in words is "thirty-seven million, four hundred forty-two thousand, four hundred twenty-nine".