74935609 has 8 divisors (see below), whose sum is σ = 90678528. Its totient is φ = 60452160.

The previous prime is 74935607. The next prime is 74935621. The reversal of 74935609 is 90653947.

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 74935609 - 2¹ = 74935607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74935607) 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, 314737 + ... + 314974.

It is an arithmetic number, because the mean of its divisors is an integer number (11334816).

Almost surely, 2^74935609 is an apocalyptic number.

It is an amenable number.

74935609 is a deficient number, since it is larger than the sum of its proper divisors (15742919).

74935609 is a wasteful number, since it uses less digits than its factorization.

74935609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629735.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 74935609 is about 8656.5356234466. The cubic root of 74935609 is about 421.5956103785.

The spelling of 74935609 in words is "seventy-four million, nine hundred thirty-five thousand, six hundred nine".