74199029 has 2 divisors, whose sum is σ = 74199030. Its totient is φ = 74199028.

The previous prime is 74199011. The next prime is 74199031. The reversal of 74199029 is 92099147.

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., 55726225 + 18472804 = 7465^2 + 4298^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74199029 is a prime.

It is a Sophie Germain prime.

Together with 74199031, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74199079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37099514 + 37099515.

It is an arithmetic number, because the mean of its divisors is an integer number (37099515).

Almost surely, 2^74199029 is an apocalyptic number.

It is an amenable number.

74199029 is a deficient number, since it is larger than the sum of its proper divisors (1).

74199029 is an equidigital number, since it uses as much as digits as its factorization.

74199029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 74199029 is about 8613.8858246438. The cubic root of 74199029 is about 420.2097006483.

The spelling of 74199029 in words is "seventy-four million, one hundred ninety-nine thousand, twenty-nine".