91763741 has 2 divisors, whose sum is σ = 91763742. Its totient is φ = 91763740.

The previous prime is 91763719. The next prime is 91763747. The reversal of 91763741 is 14736719.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90820900 + 942841 = 9530^2 + 971^2 .

It is a cyclic number.

It is not a de Polignac number, because 91763741 - 2²² = 87569437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91763695 and 91763704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91763747) 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, 45881870 + 45881871.

It is an arithmetic number, because the mean of its divisors is an integer number (45881871).

Almost surely, 2^91763741 is an apocalyptic number.

It is an amenable number.

91763741 is a deficient number, since it is larger than the sum of its proper divisors (1).

91763741 is an equidigital number, since it uses as much as digits as its factorization.

91763741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 38.

The square root of 91763741 is about 9579.3392778417. The cubic root of 91763741 is about 451.0489783796.

The spelling of 91763741 in words is "ninety-one million, seven hundred sixty-three thousand, seven hundred forty-one".