71934140361485 has 8 divisors (see below), whose sum is σ = 86321523194880. Its totient is φ = 57546942448464.

The previous prime is 71934140361481. The next prime is 71934140361491. The reversal of 71934140361485 is 58416304143917.

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 71934140361485 - 2² = 71934140361481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71934140361485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71934140361481) 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, 45372845 + ... + 46931474.

It is an arithmetic number, because the mean of its divisors is an integer number (10790190399360).

Almost surely, 2^{71934140361485} is an apocalyptic number.

It is an amenable number.

71934140361485 is a deficient number, since it is larger than the sum of its proper divisors (14387382833395).

71934140361485 is a wasteful number, since it uses less digits than its factorization.

71934140361485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92460187.

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 71934140361485 in words is "seventy-one trillion, nine hundred thirty-four billion, one hundred forty million, three hundred sixty-one thousand, four hundred eighty-five".