74500849 has 2 divisors, whose sum is σ = 74500850. Its totient is φ = 74500848.

The previous prime is 74500847. The next prime is 74500861. The reversal of 74500849 is 94800547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74390625 + 110224 = 8625^2 + 332^2 .

It is a cyclic number.

It is not a de Polignac number, because 74500849 - 2¹ = 74500847 is a prime.

Together with 74500847, it forms a pair of twin primes.

It is equal to p_4366756 and since 74500849 and 4366756 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (74500847) 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, 37250424 + 37250425.

It is an arithmetic number, because the mean of its divisors is an integer number (37250425).

Almost surely, 2^74500849 is an apocalyptic number.

It is an amenable number.

74500849 is a deficient number, since it is larger than the sum of its proper divisors (1).

74500849 is an equidigital number, since it uses as much as digits as its factorization.

74500849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 74500849 is about 8631.3874319254. The cubic root of 74500849 is about 420.7786933297.

The spelling of 74500849 in words is "seventy-four million, five hundred thousand, eight hundred forty-nine".