72685786641883 has 8 divisors (see below), whose sum is σ = 75219625554480. Its totient is φ = 70153776561120.

The previous prime is 72685786641841. The next prime is 72685786641971. The reversal of 72685786641883 is 38814668758627.

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 72685786641883 - 2¹⁷ = 72685786510811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72685786641803) 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, 457127085 + ... + 457286062.

It is an arithmetic number, because the mean of its divisors is an integer number (9402453194310).

Almost surely, 2^{72685786641883} is an apocalyptic number.

72685786641883 is a deficient number, since it is larger than the sum of its proper divisors (2533838912597).

72685786641883 is a wasteful number, since it uses less digits than its factorization.

72685786641883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914415917.

The product of its digits is 5202247680, while the sum is 79.

The spelling of 72685786641883 in words is "seventy-two trillion, six hundred eighty-five billion, seven hundred eighty-six million, six hundred forty-one thousand, eight hundred eighty-three".