736874491 has 2 divisors, whose sum is σ = 736874492. Its totient is φ = 736874490.

The previous prime is 736874471. The next prime is 736874527. The reversal of 736874491 is 194478637.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 736874491 - 2¹⁷ = 736743419 is a prime.

It is a super-3 number, since 3×736874491³ (a number of 28 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (736874431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 368437245 + 368437246.

It is an arithmetic number, because the mean of its divisors is an integer number (368437246).

Almost surely, 2^736874491 is an apocalyptic number.

736874491 is a deficient number, since it is larger than the sum of its proper divisors (1).

736874491 is an equidigital number, since it uses as much as digits as its factorization.

736874491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 49.

The square root of 736874491 is about 27145.4322308561. The cubic root of 736874491 is about 903.2289329684.

The spelling of 736874491 in words is "seven hundred thirty-six million, eight hundred seventy-four thousand, four hundred ninety-one".