30042037 has 2 divisors, whose sum is σ = 30042038. Its totient is φ = 30042036.

The previous prime is 30042031. The next prime is 30042049. The reversal of 30042037 is 73024003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30041361 + 676 = 5481^2 + 26^2 .

It is a cyclic number.

It is not a de Polignac number, because 30042037 - 2¹⁵ = 30009269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30042031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15021018 + 15021019.

It is an arithmetic number, because the mean of its divisors is an integer number (15021019).

Almost surely, 2^30042037 is an apocalyptic number.

It is an amenable number.

30042037 is a deficient number, since it is larger than the sum of its proper divisors (1).

30042037 is an equidigital number, since it uses as much as digits as its factorization.

30042037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 30042037 is about 5481.0616672320. The cubic root of 30042037 is about 310.8683147856.

It can be divided in two parts, 3004 and 2037, that added together give a square (5041 = 71²).

The spelling of 30042037 in words is "thirty million, forty-two thousand, thirty-seven".