74343405 has 8 divisors (see below), whose sum is σ = 118949472. Its totient is φ = 39649808.

The previous prime is 74343403. The next prime is 74343413. The reversal of 74343405 is 50434347.

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 74343405 - 2¹ = 74343403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74343403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2478099 + ... + 2478128.

It is an arithmetic number, because the mean of its divisors is an integer number (14868684).

Almost surely, 2^74343405 is an apocalyptic number.

It is an amenable number.

74343405 is a deficient number, since it is larger than the sum of its proper divisors (44606067).

74343405 is a wasteful number, since it uses less digits than its factorization.

74343405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4956235.

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 74343405 is about 8622.2621741629. The cubic root of 74343405 is about 420.4820711891.

The spelling of 74343405 in words is "seventy-four million, three hundred forty-three thousand, four hundred five".