90734783 has 2 divisors, whose sum is σ = 90734784. Its totient is φ = 90734782.

The previous prime is 90734779. The next prime is 90734789. The reversal of 90734783 is 38743709.

It is a weak prime.

It is an emirp because it is prime and its reverse (38743709) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90734783 - 2² = 90734779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90734783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90734789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45367391 + 45367392.

It is an arithmetic number, because the mean of its divisors is an integer number (45367392).

Almost surely, 2^90734783 is an apocalyptic number.

90734783 is a deficient number, since it is larger than the sum of its proper divisors (1).

90734783 is an equidigital number, since it uses as much as digits as its factorization.

90734783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 90734783 is about 9525.4807227772. The cubic root of 90734783 is about 449.3567484332.

The spelling of 90734783 in words is "ninety million, seven hundred thirty-four thousand, seven hundred eighty-three".