72838351084 has 12 divisors (see below), whose sum is σ = 127470531384. Its totient is φ = 36418199264.

The previous prime is 72838351081. The next prime is 72838351121. The reversal of 72838351084 is 48015383827.

It is not an unprimeable number, because it can be changed into a prime (72838351081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60934 + ... + 386509.

It is an arithmetic number, because the mean of its divisors is an integer number (10622544282).

Almost surely, 2^72838351084 is an apocalyptic number.

It is an amenable number.

72838351084 is a deficient number, since it is larger than the sum of its proper divisors (54632180300).

72838351084 is a wasteful number, since it uses less digits than its factorization.

72838351084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488144 (or 488142 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 72838351084 in words is "seventy-two billion, eight hundred thirty-eight million, three hundred fifty-one thousand, eighty-four".