74670229 has 2 divisors, whose sum is σ = 74670230. Its totient is φ = 74670228.

The previous prime is 74670191. The next prime is 74670251. The reversal of 74670229 is 92207647.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51408900 + 23261329 = 7170^2 + 4823^2 .

It is a cyclic number.

It is not a de Polignac number, because 74670229 - 2¹⁹ = 74145941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74670529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37335114 + 37335115.

It is an arithmetic number, because the mean of its divisors is an integer number (37335115).

Almost surely, 2^74670229 is an apocalyptic number.

It is an amenable number.

74670229 is a deficient number, since it is larger than the sum of its proper divisors (1).

74670229 is an equidigital number, since it uses as much as digits as its factorization.

74670229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 74670229 is about 8641.1937254062. The cubic root of 74670229 is about 421.0973364570.

The spelling of 74670229 in words is "seventy-four million, six hundred seventy thousand, two hundred twenty-nine".