74659121 has 4 divisors (see below), whose sum is σ = 79050852. Its totient is φ = 70267392.

The previous prime is 74659103. The next prime is 74659141. The reversal of 74659121 is 12195647.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53129521 + 21529600 = 7289^2 + 4640^2 .

It is not a de Polignac number, because 74659121 - 2¹⁰ = 74658097 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 (74659141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2195840 + ... + 2195873.

It is an arithmetic number, because the mean of its divisors is an integer number (19762713).

Almost surely, 2^74659121 is an apocalyptic number.

It is an amenable number.

74659121 is a deficient number, since it is larger than the sum of its proper divisors (4391731).

74659121 is a wasteful number, since it uses less digits than its factorization.

74659121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4391730.

The product of its digits is 15120, while the sum is 35.

The square root of 74659121 is about 8640.5509662289. The cubic root of 74659121 is about 421.0764545016.

The spelling of 74659121 in words is "seventy-four million, six hundred fifty-nine thousand, one hundred twenty-one".