74608121 has 8 divisors (see below), whose sum is σ = 90282240. Its totient is φ = 60187968.

The previous prime is 74608091. The next prime is 74608133. The reversal of 74608121 is 12180647.

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 74608121 - 2¹⁰ = 74607097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74608141) 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, 313361 + ... + 313598.

It is an arithmetic number, because the mean of its divisors is an integer number (11285280).

Almost surely, 2^74608121 is an apocalyptic number.

It is an amenable number.

74608121 is a deficient number, since it is larger than the sum of its proper divisors (15674119).

74608121 is a wasteful number, since it uses less digits than its factorization.

74608121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626983.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 74608121 is about 8637.5992613689. The cubic root of 74608121 is about 420.9805528863.

Adding to 74608121 its reverse (12180647), we get a palindrome (86788768).

The spelling of 74608121 in words is "seventy-four million, six hundred eight thousand, one hundred twenty-one".