74539141 has 4 divisors (see below), whose sum is σ = 74589984. Its totient is φ = 74488300.

The previous prime is 74539139. The next prime is 74539163. The reversal of 74539141 is 14193547.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14193547 = 151 ⋅93997.

It is a cyclic number.

It is not a de Polignac number, because 74539141 - 2¹ = 74539139 is a prime.

It is a super-3 number, since 3×74539141³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74539097 and 74539106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74539121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23155 + ... + 26176.

It is an arithmetic number, because the mean of its divisors is an integer number (18647496).

Almost surely, 2^74539141 is an apocalyptic number.

It is an amenable number.

74539141 is a deficient number, since it is larger than the sum of its proper divisors (50843).

74539141 is a wasteful number, since it uses less digits than its factorization.

74539141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50842.

The product of its digits is 15120, while the sum is 34.

The square root of 74539141 is about 8633.6053303356. The cubic root of 74539141 is about 420.8507716940.

The spelling of 74539141 in words is "seventy-four million, five hundred thirty-nine thousand, one hundred forty-one".