74627121 has 16 divisors (see below), whose sum is σ = 103858560. Its totient is φ = 47604480.

The previous prime is 74627101. The next prime is 74627129. The reversal of 74627121 is 12172647.

It is not a de Polignac number, because 74627121 - 2⁵ = 74627089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74627129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6036 + ... + 13626.

It is an arithmetic number, because the mean of its divisors is an integer number (6491160).

Almost surely, 2^74627121 is an apocalyptic number.

It is an amenable number.

74627121 is a deficient number, since it is larger than the sum of its proper divisors (29231439).

74627121 is a wasteful number, since it uses less digits than its factorization.

74627121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7736.

The product of its digits is 4704, while the sum is 30.

The square root of 74627121 is about 8638.6990339981. The cubic root of 74627121 is about 421.0162860456.

Adding to 74627121 its reverse (12172647), we get a palindrome (86799768).

The spelling of 74627121 in words is "seventy-four million, six hundred twenty-seven thousand, one hundred twenty-one".