71684029 has 8 divisors (see below), whose sum is σ = 73547712. Its totient is φ = 69844320.

The previous prime is 71684023. The next prime is 71684051. The reversal of 71684029 is 92048617.

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 71684029 - 2³ = 71684021 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 (71684021) 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, 144 + ... + 11974.

It is an arithmetic number, because the mean of its divisors is an integer number (9193464).

Almost surely, 2^71684029 is an apocalyptic number.

It is an amenable number.

71684029 is a deficient number, since it is larger than the sum of its proper divisors (1863683).

71684029 is a wasteful number, since it uses less digits than its factorization.

71684029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11987.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 71684029 is about 8466.6421325104. The cubic root of 71684029 is about 415.4073109482.

The spelling of 71684029 in words is "seventy-one million, six hundred eighty-four thousand, twenty-nine".