90730337 has 2 divisors, whose sum is σ = 90730338. Its totient is φ = 90730336.

The previous prime is 90730333. The next prime is 90730391. The reversal of 90730337 is 73303709.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48011041 + 42719296 = 6929^2 + 6536^2 .

It is a cyclic number.

It is not a de Polignac number, because 90730337 - 2² = 90730333 is a prime.

It is not a weakly prime, because it can be changed into another prime (90730333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45365168 + 45365169.

It is an arithmetic number, because the mean of its divisors is an integer number (45365169).

Almost surely, 2^90730337 is an apocalyptic number.

It is an amenable number.

90730337 is a deficient number, since it is larger than the sum of its proper divisors (1).

90730337 is an equidigital number, since it uses as much as digits as its factorization.

90730337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11907, while the sum is 32.

The square root of 90730337 is about 9525.2473458698. The cubic root of 90730337 is about 449.3494088270.

The spelling of 90730337 in words is "ninety million, seven hundred thirty thousand, three hundred thirty-seven".