72516673770 has 16 divisors (see below), whose sum is σ = 174040017120. Its totient is φ = 19337779664.

The previous prime is 72516673763. The next prime is 72516673777. The reversal of 72516673770 is 7737661527.

It is an interprime number because it is at equal distance from previous prime (72516673763) and next prime (72516673777).

It is not an unprimeable number, because it can be changed into a prime (72516673777) 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, 1208611200 + ... + 1208611259.

It is an arithmetic number, because the mean of its divisors is an integer number (10877501070).

Almost surely, 2^72516673770 is an apocalyptic number.

72516673770 is an abundant number, since it is smaller than the sum of its proper divisors (101523343350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72516673770 is a wasteful number, since it uses less digits than its factorization.

72516673770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417222469.

The product of its (nonzero) digits is 2593080, while the sum is 51.

The spelling of 72516673770 in words is "seventy-two billion, five hundred sixteen million, six hundred seventy-three thousand, seven hundred seventy".