74635429 has 4 divisors (see below), whose sum is σ = 81420480. Its totient is φ = 67850380.

The previous prime is 74635417. The next prime is 74635453. The reversal of 74635429 is 92453647.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74635429 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74635391 and 74635400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74635409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3392509 + ... + 3392530.

It is an arithmetic number, because the mean of its divisors is an integer number (20355120).

Almost surely, 2^74635429 is an apocalyptic number.

It is an amenable number.

74635429 is a deficient number, since it is larger than the sum of its proper divisors (6785051).

74635429 is a wasteful number, since it uses less digits than its factorization.

74635429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6785050.

The product of its digits is 181440, while the sum is 40.

The square root of 74635429 is about 8639.1798800581. The cubic root of 74635429 is about 421.0319089338.

The spelling of 74635429 in words is "seventy-four million, six hundred thirty-five thousand, four hundred twenty-nine".