74220141 has 4 divisors (see below), whose sum is σ = 98960192. Its totient is φ = 49480092.

The previous prime is 74220131. The next prime is 74220163. The reversal of 74220141 is 14102247.

It is a happy number.

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.

It is not a de Polignac number, because 74220141 - 2¹⁸ = 73957997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74220131) 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, 12370021 + ... + 12370026.

It is an arithmetic number, because the mean of its divisors is an integer number (24740048).

Almost surely, 2^74220141 is an apocalyptic number.

It is an amenable number.

74220141 is a deficient number, since it is larger than the sum of its proper divisors (24740051).

74220141 is a wasteful number, since it uses less digits than its factorization.

74220141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24740050.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 74220141 is about 8615.1112006752. Note that the first 3 decimals coincide. The cubic root of 74220141 is about 420.2495512414.

Adding to 74220141 its reverse (14102247), we get a palindrome (88322388).

The spelling of 74220141 in words is "seventy-four million, two hundred twenty thousand, one hundred forty-one".