74032409 has 8 divisors (see below), whose sum is σ = 81231552. Its totient is φ = 66911440.

The previous prime is 74032397. The next prime is 74032421. The reversal of 74032409 is 90423047.

It is an interprime number because it is at equal distance from previous prime (74032397) and next prime (74032421).

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 74032409 - 2⁴ = 74032393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74032499) 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, 17549 + ... + 21354.

It is an arithmetic number, because the mean of its divisors is an integer number (10153944).

Almost surely, 2^74032409 is an apocalyptic number.

It is an amenable number.

74032409 is a deficient number, since it is larger than the sum of its proper divisors (7199143).

74032409 is a wasteful number, since it uses less digits than its factorization.

74032409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39087.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 74032409 is about 8604.2087956999. The cubic root of 74032409 is about 419.8949264743.

The spelling of 74032409 in words is "seventy-four million, thirty-two thousand, four hundred nine".