90426307 has 2 divisors, whose sum is σ = 90426308. Its totient is φ = 90426306.

The previous prime is 90426293. The next prime is 90426337. The reversal of 90426307 is 70362409.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90426307 - 2¹¹ = 90424259 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90426337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45213153 + 45213154.

It is an arithmetic number, because the mean of its divisors is an integer number (45213154).

Almost surely, 2^90426307 is an apocalyptic number.

90426307 is a deficient number, since it is larger than the sum of its proper divisors (1).

90426307 is an equidigital number, since it uses as much as digits as its factorization.

90426307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 90426307 is about 9509.2747883317. The cubic root of 90426307 is about 448.8469360193.

The spelling of 90426307 in words is "ninety million, four hundred twenty-six thousand, three hundred seven".