71718674057 has 8 divisors (see below), whose sum is σ = 72803724000. Its totient is φ = 70634054304.

The previous prime is 71718674039. The next prime is 71718674101. The reversal of 71718674057 is 75047681717.

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

It is a cyclic number.

It is not a de Polignac number, because 71718674057 - 2⁸ = 71718673801 is a prime.

It is a super-3 number, since 3×71718674057³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71718674557) 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, 236669 + ... + 446597.

It is an arithmetic number, because the mean of its divisors is an integer number (9100465500).

Almost surely, 2^71718674057 is an apocalyptic number.

It is an amenable number.

71718674057 is a deficient number, since it is larger than the sum of its proper divisors (1085049943).

71718674057 is a wasteful number, since it uses less digits than its factorization.

71718674057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215095.

The product of its (nonzero) digits is 2304960, while the sum is 53.

The spelling of 71718674057 in words is "seventy-one billion, seven hundred eighteen million, six hundred seventy-four thousand, fifty-seven".