74633121 has 24 divisors (see below), whose sum is σ = 114011040. Its totient is φ = 46915200.

The previous prime is 74633113. The next prime is 74633123. The reversal of 74633121 is 12133647.

74633121 is a `hidden beast` number, since 7 + 4 + 633 + 1 + 21 = 666.

It is not a de Polignac number, because 74633121 - 2³ = 74633113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74633123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40306 + ... + 42116.

It is an arithmetic number, because the mean of its divisors is an integer number (4750460).

Almost surely, 2^74633121 is an apocalyptic number.

It is an amenable number.

74633121 is a deficient number, since it is larger than the sum of its proper divisors (39377919).

74633121 is a wasteful number, since it uses less digits than its factorization.

74633121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077 (or 2074 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 74633121 is about 8639.0463015312. The cubic root of 74633121 is about 421.0275689410.

Adding to 74633121 its reverse (12133647), we get a palindrome (86766768).

The spelling of 74633121 in words is "seventy-four million, six hundred thirty-three thousand, one hundred twenty-one".