72828881642 has 8 divisors (see below), whose sum is σ = 119174533632. Its totient is φ = 33104037100.

The previous prime is 72828881633. The next prime is 72828881651. The reversal of 72828881642 is 24618882827.

It is an interprime number because it is at equal distance from previous prime (72828881633) and next prime (72828881651).

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1655201834 + ... + 1655201877.

It is an arithmetic number, because the mean of its divisors is an integer number (14896816704).

Almost surely, 2^72828881642 is an apocalyptic number.

72828881642 is a deficient number, since it is larger than the sum of its proper divisors (46345651990).

72828881642 is a wasteful number, since it uses less digits than its factorization.

72828881642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3310403724.

The product of its digits is 5505024, while the sum is 56.

The spelling of 72828881642 in words is "seventy-two billion, eight hundred twenty-eight million, eight hundred eighty-one thousand, six hundred forty-two".