74310649 has 8 divisors (see below), whose sum is σ = 85768128. Its totient is φ = 63063600.

The previous prime is 74310637. The next prime is 74310661. The reversal of 74310649 is 94601347.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (74310637) and next prime (74310661).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74310649 - 2⁵ = 74310617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74310629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51847 + ... + 53260.

It is an arithmetic number, because the mean of its divisors is an integer number (10721016).

Almost surely, 2^74310649 is an apocalyptic number.

It is an amenable number.

74310649 is a deficient number, since it is larger than the sum of its proper divisors (11457479).

74310649 is a wasteful number, since it uses less digits than its factorization.

74310649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105215.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 74310649 is about 8620.3624633770. The cubic root of 74310649 is about 420.4203067592.

The spelling of 74310649 in words is "seventy-four million, three hundred ten thousand, six hundred forty-nine".