74515141 has 2 divisors, whose sum is σ = 74515142. Its totient is φ = 74515140.

The previous prime is 74515061. The next prime is 74515153. The reversal of 74515141 is 14151547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71470116 + 3045025 = 8454^2 + 1745^2 .

It is an emirp because it is prime and its reverse (14151547) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74515141 - 2⁷ = 74515013 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74515741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37257570 + 37257571.

It is an arithmetic number, because the mean of its divisors is an integer number (37257571).

Almost surely, 2^74515141 is an apocalyptic number.

It is an amenable number.

74515141 is a deficient number, since it is larger than the sum of its proper divisors (1).

74515141 is an equidigital number, since it uses as much as digits as its factorization.

74515141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2800, while the sum is 28.

The square root of 74515141 is about 8632.2153008367. The cubic root of 74515141 is about 420.8055985469.

Adding to 74515141 its reverse (14151547), we get a palindrome (88666688).

The spelling of 74515141 in words is "seventy-four million, five hundred fifteen thousand, one hundred forty-one".