74465129 has 2 divisors, whose sum is σ = 74465130. Its totient is φ = 74465128.

The previous prime is 74465101. The next prime is 74465137. The reversal of 74465129 is 92156447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74425129 + 40000 = 8627^2 + 200^2 .

It is a cyclic number.

It is not a de Polignac number, because 74465129 - 2¹² = 74461033 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 74465092 and 74465101.

It is not a weakly prime, because it can be changed into another prime (74461129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37232564 + 37232565.

It is an arithmetic number, because the mean of its divisors is an integer number (37232565).

Almost surely, 2^74465129 is an apocalyptic number.

It is an amenable number.

74465129 is a deficient number, since it is larger than the sum of its proper divisors (1).

74465129 is an equidigital number, since it uses as much as digits as its factorization.

74465129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 38.

The square root of 74465129 is about 8629.3179915912. The cubic root of 74465129 is about 420.7114340618.

The spelling of 74465129 in words is "seventy-four million, four hundred sixty-five thousand, one hundred twenty-nine".