71680002 has 32 divisors (see below), whose sum is σ = 146788224. Its totient is φ = 23328000.

The previous prime is 71679991. The next prime is 71680031. The reversal of 71680002 is 20008617.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54618 + ... + 55914.

It is an arithmetic number, because the mean of its divisors is an integer number (4587132).

Almost surely, 2^71680002 is an apocalyptic number.

71680002 is an abundant number, since it is smaller than the sum of its proper divisors (75108222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71680002 is a wasteful number, since it uses less digits than its factorization.

71680002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 71680002 is about 8466.4043135206. The cubic root of 71680002 is about 415.3995320116.

Adding to 71680002 its reverse (20008617), we get a palindrome (91688619).

The spelling of 71680002 in words is "seventy-one million, six hundred eighty thousand, two".