74421101 has 2 divisors, whose sum is σ = 74421102. Its totient is φ = 74421100.

The previous prime is 74420981. The next prime is 74421131. The reversal of 74421101 is 10112447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74407876 + 13225 = 8626^2 + 115^2 .

It is a cyclic number.

It is not a de Polignac number, because 74421101 - 2²⁶ = 7312237 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74421131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37210550 + 37210551.

It is an arithmetic number, because the mean of its divisors is an integer number (37210551).

Almost surely, 2^74421101 is an apocalyptic number.

It is an amenable number.

74421101 is a deficient number, since it is larger than the sum of its proper divisors (1).

74421101 is an equidigital number, since it uses as much as digits as its factorization.

74421101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 74421101 is about 8626.7665437289. The cubic root of 74421101 is about 420.6285015756.

Adding to 74421101 its reverse (10112447), we get a palindrome (84533548).

The spelling of 74421101 in words is "seventy-four million, four hundred twenty-one thousand, one hundred one".