74350939 has 4 divisors (see below), whose sum is σ = 80070256. Its totient is φ = 68631624.

The previous prime is 74350937. The next prime is 74350943. The reversal of 74350939 is 93905347.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93905347 = 53 ⋅1771799.

It is a cyclic number.

It is not a de Polignac number, because 74350939 - 2¹ = 74350937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74350931) 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 in 3 ways as a sum of consecutive naturals, for example, 2859639 + ... + 2859664.

It is an arithmetic number, because the mean of its divisors is an integer number (20017564).

Almost surely, 2^74350939 is an apocalyptic number.

74350939 is a deficient number, since it is larger than the sum of its proper divisors (5719317).

74350939 is a wasteful number, since it uses less digits than its factorization.

74350939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5719316.

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 74350939 is about 8622.6990554002. The cubic root of 74350939 is about 420.4962746678.

The spelling of 74350939 in words is "seventy-four million, three hundred fifty thousand, nine hundred thirty-nine".