74169629 has 2 divisors, whose sum is σ = 74169630. Its totient is φ = 74169628.

The previous prime is 74169611. The next prime is 74169643. The reversal of 74169629 is 92696147.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40934404 + 33235225 = 6398^2 + 5765^2 .

It is an emirp because it is prime and its reverse (92696147) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74169629 is a prime.

It is a super-2 number, since 2×74169629² = 11002267731995282, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74169629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74169649) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37084814 + 37084815.

It is an arithmetic number, because the mean of its divisors is an integer number (37084815).

Almost surely, 2^74169629 is an apocalyptic number.

It is an amenable number.

74169629 is a deficient number, since it is larger than the sum of its proper divisors (1).

74169629 is an equidigital number, since it uses as much as digits as its factorization.

74169629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 44.

The square root of 74169629 is about 8612.1791086809. The cubic root of 74169629 is about 420.1541931957.

The spelling of 74169629 in words is "seventy-four million, one hundred sixty-nine thousand, six hundred twenty-nine".