74073693 has 4 divisors (see below), whose sum is σ = 98764928. Its totient is φ = 49382460.

The previous prime is 74073691. The next prime is 74073719. The reversal of 74073693 is 39637047.

Added to its reverse (39637047) it gives a triangular number (113710740 = T₁₅₀₈₀).

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 74073693 - 2¹ = 74073691 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74073691) 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, 12345613 + ... + 12345618.

It is an arithmetic number, because the mean of its divisors is an integer number (24691232).

Almost surely, 2^74073693 is an apocalyptic number.

It is an amenable number.

74073693 is a deficient number, since it is larger than the sum of its proper divisors (24691235).

74073693 is a wasteful number, since it uses less digits than its factorization.

74073693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24691234.

The product of its (nonzero) digits is 95256, while the sum is 39.

The square root of 74073693 is about 8606.6075198071. The cubic root of 74073693 is about 419.9729631122.

Adding to 74073693 its reverse (39637047), we get a triangular number (113710740 = T₁₅₀₈₀).

The spelling of 74073693 in words is "seventy-four million, seventy-three thousand, six hundred ninety-three".