71679783772006 has 4 divisors (see below), whose sum is σ = 107519675658012. Its totient is φ = 35839891886002.

The previous prime is 71679783771991. The next prime is 71679783772081. The reversal of 71679783772006 is 60027738797617.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17919945943000 + ... + 17919945943003.

It is an arithmetic number, because the mean of its divisors is an integer number (26879918914503).

Almost surely, 2^{71679783772006} is an apocalyptic number.

71679783772006 is a deficient number, since it is larger than the sum of its proper divisors (35839891886006).

71679783772006 is a wasteful number, since it uses less digits than its factorization.

71679783772006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35839891886005.

The product of its (nonzero) digits is 261382464, while the sum is 70.

The spelling of 71679783772006 in words is "seventy-one trillion, six hundred seventy-nine billion, seven hundred eighty-three million, seven hundred seventy-two thousand, six".