71729270 has 8 divisors (see below), whose sum is σ = 129112704. Its totient is φ = 28691704.

The previous prime is 71729261. The next prime is 71729279. The reversal of 71729270 is 7292717.

It is an interprime number because it is at equal distance from previous prime (71729261) and next prime (71729279).

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

It is a self number, because there is not a number n which added to its sum of digits gives 71729270.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71729279) 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, 3586454 + ... + 3586473.

It is an arithmetic number, because the mean of its divisors is an integer number (16139088).

Almost surely, 2^71729270 is an apocalyptic number.

71729270 is a deficient number, since it is larger than the sum of its proper divisors (57383434).

71729270 is a wasteful number, since it uses less digits than its factorization.

71729270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7172934.

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 71729270 is about 8469.3134314418. The cubic root of 71729270 is about 415.4946827575.

The spelling of 71729270 in words is "seventy-one million, seven hundred twenty-nine thousand, two hundred seventy".