74343829 has 12 divisors (see below), whose sum is σ = 86625408. Its totient is φ = 63617400.

The previous prime is 74343823. The next prime is 74343851. The reversal of 74343829 is 92834347.

It is not a de Polignac number, because 74343829 - 2²³ = 65955221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74343791 and 74343800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74343823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47794 + ... + 49324.

It is an arithmetic number, because the mean of its divisors is an integer number (7218784).

Almost surely, 2^74343829 is an apocalyptic number.

It is an amenable number.

74343829 is a deficient number, since it is larger than the sum of its proper divisors (12281579).

74343829 is a wasteful number, since it uses less digits than its factorization.

74343829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2536 (or 2529 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 74343829 is about 8622.2867616428. The cubic root of 74343829 is about 420.4828705608.

The spelling of 74343829 in words is "seventy-four million, three hundred forty-three thousand, eight hundred twenty-nine".