74067493 has 4 divisors (see below), whose sum is σ = 74089548. Its totient is φ = 74045440.

The previous prime is 74067467. The next prime is 74067503. The reversal of 74067493 is 39476047.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21967969 + 52099524 = 4687^2 + 7218^2 .

It is a cyclic number.

It is not a de Polignac number, because 74067493 - 2²⁵ = 40513061 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 (74067593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4828 + ... + 13093.

It is an arithmetic number, because the mean of its divisors is an integer number (18522387).

Almost surely, 2^74067493 is an apocalyptic number.

It is an amenable number.

74067493 is a deficient number, since it is larger than the sum of its proper divisors (22055).

74067493 is a wasteful number, since it uses less digits than its factorization.

74067493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22054.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 74067493 is about 8606.2473238921. The cubic root of 74067493 is about 419.9612454793.

The spelling of 74067493 in words is "seventy-four million, sixty-seven thousand, four hundred ninety-three".