74435121 has 12 divisors (see below), whose sum is σ = 107755648. Its totient is φ = 49513464.

The previous prime is 74435099. The next prime is 74435171. The reversal of 74435121 is 12153447.

It is not a de Polignac number, because 74435121 - 2⁵ = 74435089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74435171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4765 + ... + 13098.

Almost surely, 2^74435121 is an apocalyptic number.

It is an amenable number.

74435121 is a deficient number, since it is larger than the sum of its proper divisors (33320527).

74435121 is a wasteful number, since it uses less digits than its factorization.

74435121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18332 (or 18329 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 74435121 is about 8627.5790926540. The cubic root of 74435121 is about 420.6549136246.

Adding to 74435121 its reverse (12153447), we get a palindrome (86588568).

The spelling of 74435121 in words is "seventy-four million, four hundred thirty-five thousand, one hundred twenty-one".