71029189 has 8 divisors (see below), whose sum is σ = 88555968. Its totient is φ = 55347360.

The previous prime is 71029187. The next prime is 71029223. The reversal of 71029189 is 98192017.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71029189 - 2¹ = 71029187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71029183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461152 + ... + 461305.

It is an arithmetic number, because the mean of its divisors is an integer number (11069496).

Almost surely, 2^71029189 is an apocalyptic number.

It is an amenable number.

71029189 is a deficient number, since it is larger than the sum of its proper divisors (17526779).

71029189 is a wasteful number, since it uses less digits than its factorization.

71029189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922475.

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 71029189 is about 8427.8816436872. The cubic root of 71029189 is about 414.1385119234.

The spelling of 71029189 in words is "seventy-one million, twenty-nine thousand, one hundred eighty-nine".