74405069 has 8 divisors (see below), whose sum is σ = 77727552. Its totient is φ = 71089920.

The previous prime is 74405059. The next prime is 74405143. The reversal of 74405069 is 96050447.

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 74405069 - 2¹² = 74400973 is a prime.

It is a super-2 number, since 2×74405069² = 11072228585789522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74405029) 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, 34157 + ... + 36269.

It is an arithmetic number, because the mean of its divisors is an integer number (9715944).

Almost surely, 2^74405069 is an apocalyptic number.

It is an amenable number.

74405069 is a deficient number, since it is larger than the sum of its proper divisors (3322483).

74405069 is a wasteful number, since it uses less digits than its factorization.

74405069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3667.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 74405069 is about 8625.8372926922. The cubic root of 74405069 is about 420.5982950869.

The spelling of 74405069 in words is "seventy-four million, four hundred five thousand, sixty-nine".