90770741 has 2 divisors, whose sum is σ = 90770742. Its totient is φ = 90770740.

The previous prime is 90770737. The next prime is 90770767. The reversal of 90770741 is 14707709.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73788100 + 16982641 = 8590^2 + 4121^2 .

It is a cyclic number.

It is not a de Polignac number, because 90770741 - 2² = 90770737 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90770041) 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, 45385370 + 45385371.

It is an arithmetic number, because the mean of its divisors is an integer number (45385371).

Almost surely, 2^90770741 is an apocalyptic number.

It is an amenable number.

90770741 is a deficient number, since it is larger than the sum of its proper divisors (1).

90770741 is an equidigital number, since it uses as much as digits as its factorization.

90770741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 90770741 is about 9527.3679996104. The cubic root of 90770741 is about 449.4161002989.

The spelling of 90770741 in words is "ninety million, seven hundred seventy thousand, seven hundred forty-one".