71382029 has 8 divisors (see below), whose sum is σ = 72244920. Its totient is φ = 70523136.

The previous prime is 71382023. The next prime is 71382037. The reversal of 71382029 is 92028317.

It can be written as a sum of positive squares in 4 ways, for example, as 42276004 + 29106025 = 6502^2 + 5395^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71382029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71381986 and 71382004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71382023) 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, 49097 + ... + 50529.

It is an arithmetic number, because the mean of its divisors is an integer number (9030615).

Almost surely, 2^71382029 is an apocalyptic number.

It is an amenable number.

71382029 is a deficient number, since it is larger than the sum of its proper divisors (862891).

71382029 is a wasteful number, since it uses less digits than its factorization.

71382029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 71382029 is about 8448.7886113928. The cubic root of 71382029 is about 414.8231287708.

The spelling of 71382029 in words is "seventy-one million, three hundred eighty-two thousand, twenty-nine".