74874629 has 2 divisors, whose sum is σ = 74874630. Its totient is φ = 74874628.

The previous prime is 74874587. The next prime is 74874661. The reversal of 74874629 is 92647847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62378404 + 12496225 = 7898^2 + 3535^2 .

It is an emirp because it is prime and its reverse (92647847) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74874629 - 2¹⁶ = 74809093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74874689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37437314 + 37437315.

It is an arithmetic number, because the mean of its divisors is an integer number (37437315).

Almost surely, 2^74874629 is an apocalyptic number.

It is an amenable number.

74874629 is a deficient number, since it is larger than the sum of its proper divisors (1).

74874629 is an equidigital number, since it uses as much as digits as its factorization.

74874629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 47.

The square root of 74874629 is about 8653.0127123448. The cubic root of 74874629 is about 421.4812193812.

The spelling of 74874629 in words is "seventy-four million, eight hundred seventy-four thousand, six hundred twenty-nine".