74077409 has 16 divisors (see below), whose sum is σ = 89779200. Its totient is φ = 59705424.

The previous prime is 74077387. The next prime is 74077477. The reversal of 74077409 is 90477047.

It is a cyclic number.

It is not a de Polignac number, because 74077409 - 2¹² = 74073313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74077709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16484 + ... + 20490.

It is an arithmetic number, because the mean of its divisors is an integer number (5611200).

Almost surely, 2^74077409 is an apocalyptic number.

It is an amenable number.

74077409 is a deficient number, since it is larger than the sum of its proper divisors (15701791).

74077409 is a wasteful number, since it uses less digits than its factorization.

74077409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4172.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 74077409 is about 8606.8233977467. The cubic root of 74077409 is about 419.9799858188.

The spelling of 74077409 in words is "seventy-four million, seventy-seven thousand, four hundred nine".