91794739 has 2 divisors, whose sum is σ = 91794740. Its totient is φ = 91794738.

The previous prime is 91794709. The next prime is 91794767. The reversal of 91794739 is 93749719.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 91794739 - 2¹¹ = 91792691 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 91794692 and 91794701.

It is not a weakly prime, because it can be changed into another prime (91794709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45897369 + 45897370.

It is an arithmetic number, because the mean of its divisors is an integer number (45897370).

Almost surely, 2^91794739 is an apocalyptic number.

91794739 is a deficient number, since it is larger than the sum of its proper divisors (1).

91794739 is an equidigital number, since it uses as much as digits as its factorization.

91794739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 428652, while the sum is 49.

The square root of 91794739 is about 9580.9571025029. The cubic root of 91794739 is about 451.0997611181.

The spelling of 91794739 in words is "ninety-one million, seven hundred ninety-four thousand, seven hundred thirty-nine".