42927037 has 2 divisors, whose sum is σ = 42927038. Its totient is φ = 42927036.

The previous prime is 42927013. The next prime is 42927109. The reversal of 42927037 is 73072924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42889401 + 37636 = 6549^2 + 194^2 .

It is a cyclic number.

It is not a de Polignac number, because 42927037 - 2²³ = 34538429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42926993 and 42927011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42927007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21463518 + 21463519.

It is an arithmetic number, because the mean of its divisors is an integer number (21463519).

Almost surely, 2^42927037 is an apocalyptic number.

It is an amenable number.

42927037 is a deficient number, since it is larger than the sum of its proper divisors (1).

42927037 is an equidigital number, since it uses as much as digits as its factorization.

42927037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 42927037 is about 6551.8727857003. The cubic root of 42927037 is about 350.1415400324.

The spelling of 42927037 in words is "forty-two million, nine hundred twenty-seven thousand, thirty-seven".