71677304054 has 4 divisors (see below), whose sum is σ = 107515956084. Its totient is φ = 35838652026.

The previous prime is 71677304009. The next prime is 71677304071. The reversal of 71677304054 is 45040377617.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45040377617 = 31 ⋅1452915407.

It is a junction number, because it is equal to n+sod(n) for n = 71677303996 and 71677304014.

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, 17919326012 + ... + 17919326015.

It is an arithmetic number, because the mean of its divisors is an integer number (26878989021).

Almost surely, 2^71677304054 is an apocalyptic number.

71677304054 is a deficient number, since it is larger than the sum of its proper divisors (35838652030).

71677304054 is a wasteful number, since it uses less digits than its factorization.

71677304054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35838652029.

The product of its (nonzero) digits is 493920, while the sum is 44.

The spelling of 71677304054 in words is "seventy-one billion, six hundred seventy-seven million, three hundred four thousand, fifty-four".