71680502 has 8 divisors (see below), whose sum is σ = 113179800. Its totient is φ = 33953904.

The previous prime is 71680487. The next prime is 71680513. The reversal of 71680502 is 20508617.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 943127 + ... + 943202.

It is an arithmetic number, because the mean of its divisors is an integer number (14147475).

Almost surely, 2^71680502 is an apocalyptic number.

71680502 is a deficient number, since it is larger than the sum of its proper divisors (41499298).

71680502 is a wasteful number, since it uses less digits than its factorization.

71680502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886350.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 71680502 is about 8466.4338419431. The cubic root of 71680502 is about 415.4004978750.

It can be divided in two parts, 716 and 80502, that added together give a palindrome (81218).

The spelling of 71680502 in words is "seventy-one million, six hundred eighty thousand, five hundred two".