74036609 has 8 divisors (see below), whose sum is σ = 78900480. Its totient is φ = 69309856.

The previous prime is 74036603. The next prime is 74036621. The reversal of 74036609 is 90663047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74036609 - 2¹² = 74032513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74036603) 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, 33164 + ... + 35325.

It is an arithmetic number, because the mean of its divisors is an integer number (9862560).

Almost surely, 2^74036609 is an apocalyptic number.

It is an amenable number.

74036609 is a deficient number, since it is larger than the sum of its proper divisors (4863871).

74036609 is a wasteful number, since it uses less digits than its factorization.

74036609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68559.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 74036609 is about 8604.4528588400. The cubic root of 74036609 is about 419.9028668046.

The spelling of 74036609 in words is "seventy-four million, thirty-six thousand, six hundred nine".