74536229 has 2 divisors, whose sum is σ = 74536230. Its totient is φ = 74536228.

The previous prime is 74536201. The next prime is 74536291. The reversal of 74536229 is 92263547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66863329 + 7672900 = 8177^2 + 2770^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74536229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74536192 and 74536201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74532229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37268114 + 37268115.

It is an arithmetic number, because the mean of its divisors is an integer number (37268115).

Almost surely, 2^74536229 is an apocalyptic number.

It is an amenable number.

74536229 is a deficient number, since it is larger than the sum of its proper divisors (1).

74536229 is an equidigital number, since it uses as much as digits as its factorization.

74536229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 38.

The square root of 74536229 is about 8633.4366853531. The cubic root of 74536229 is about 420.8452912024.

The spelling of 74536229 in words is "seventy-four million, five hundred thirty-six thousand, two hundred twenty-nine".