72872796659 has 8 divisors (see below), whose sum is σ = 78488039280. Its totient is φ = 67258931616.

The previous prime is 72872796641. The next prime is 72872796677. The reversal of 72872796659 is 95669727827.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (72872796641) and next prime (72872796677).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72872796659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72872796629) 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, 233189 + ... + 447350.

It is an arithmetic number, because the mean of its divisors is an integer number (9811004910).

Almost surely, 2^72872796659 is an apocalyptic number.

72872796659 is a deficient number, since it is larger than the sum of its proper divisors (5615242621).

72872796659 is a wasteful number, since it uses less digits than its factorization.

72872796659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688789.

The product of its digits is 160030080, while the sum is 68.

The spelling of 72872796659 in words is "seventy-two billion, eight hundred seventy-two million, seven hundred ninety-six thousand, six hundred fifty-nine".