71676506 has 16 divisors (see below), whose sum is σ = 118609920. Its totient is φ = 32213280.

The previous prime is 71676499. The next prime is 71676523. The reversal of 71676506 is 60567617.

It is a self number, because there is not a number n which added to its sum of digits gives 71676506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16346 + ... + 20261.

It is an arithmetic number, because the mean of its divisors is an integer number (7413120).

Almost surely, 2^71676506 is an apocalyptic number.

71676506 is a deficient number, since it is larger than the sum of its proper divisors (46933414).

71676506 is a wasteful number, since it uses less digits than its factorization.

71676506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36709.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 71676506 is about 8466.1978479126. The cubic root of 71676506 is about 415.3927785688.

Subtracting from 71676506 its reverse (60567617), we obtain a square (11108889 = 3333²).

The spelling of 71676506 in words is "seventy-one million, six hundred seventy-six thousand, five hundred six".