90370039 has 2 divisors, whose sum is σ = 90370040. Its totient is φ = 90370038.

The previous prime is 90370031. The next prime is 90370051. The reversal of 90370039 is 93007309.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90370039 - 2³ = 90370031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90370031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45185019 + 45185020.

It is an arithmetic number, because the mean of its divisors is an integer number (45185020).

Almost surely, 2^90370039 is an apocalyptic number.

90370039 is a deficient number, since it is larger than the sum of its proper divisors (1).

90370039 is an equidigital number, since it uses as much as digits as its factorization.

90370039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 31.

The square root of 90370039 is about 9506.3157427050. The cubic root of 90370039 is about 448.7538179857.

The spelling of 90370039 in words is "ninety million, three hundred seventy thousand, thirty-nine".