71418030477 has 8 divisors (see below), whose sum is σ = 97020720864. Its totient is φ = 46713680208.

The previous prime is 71418030473. The next prime is 71418030493. The reversal of 71418030477 is 77403081417.

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

It is not a de Polignac number, because 71418030477 - 2² = 71418030473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71418030473) 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, 224584843 + ... + 224585160.

It is an arithmetic number, because the mean of its divisors is an integer number (12127590108).

Almost surely, 2^71418030477 is an apocalyptic number.

It is an amenable number.

71418030477 is a deficient number, since it is larger than the sum of its proper divisors (25602690387).

71418030477 is a wasteful number, since it uses less digits than its factorization.

71418030477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449170059.

The product of its (nonzero) digits is 131712, while the sum is 42.

The spelling of 71418030477 in words is "seventy-one billion, four hundred eighteen million, thirty thousand, four hundred seventy-seven".