72750722166746 has 64 divisors (see below), whose sum is σ = 119896018881408. Its totient is φ = 32905577299968.

The previous prime is 72750722166721. The next prime is 72750722166757. The reversal of 72750722166746 is 64766122705727.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 605222426 + ... + 605342618.

It is an arithmetic number, because the mean of its divisors is an integer number (1873375295022).

Almost surely, 2^{72750722166746} is an apocalyptic number.

72750722166746 is a deficient number, since it is larger than the sum of its proper divisors (47145296714662).

72750722166746 is a wasteful number, since it uses less digits than its factorization.

72750722166746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122655.

The product of its (nonzero) digits is 82978560, while the sum is 62.

The spelling of 72750722166746 in words is "seventy-two trillion, seven hundred fifty billion, seven hundred twenty-two million, one hundred sixty-six thousand, seven hundred forty-six".