71133429 has 4 divisors (see below), whose sum is σ = 94844576. Its totient is φ = 47422284.

The previous prime is 71133427. The next prime is 71133443. The reversal of 71133429 is 92433117.

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 not a de Polignac number, because 71133429 - 2¹ = 71133427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71133396 and 71133405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71133427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11855569 + ... + 11855574.

It is an arithmetic number, because the mean of its divisors is an integer number (23711144).

Almost surely, 2^71133429 is an apocalyptic number.

It is an amenable number.

71133429 is a deficient number, since it is larger than the sum of its proper divisors (23711147).

71133429 is a wasteful number, since it uses less digits than its factorization.

71133429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23711146.

The product of its digits is 4536, while the sum is 30.

The square root of 71133429 is about 8434.0636113323. The cubic root of 71133429 is about 414.3410047207.

The spelling of 71133429 in words is "seventy-one million, one hundred thirty-three thousand, four hundred twenty-nine".