72776356045354 has 16 divisors (see below), whose sum is σ = 117562123336392. Its totient is φ = 33588996715008.

The previous prime is 72776356045291. The next prime is 72776356045363. The reversal of 72776356045354 is 45354065367727.

It can be written as a sum of positive squares in 4 ways, for example, as 19645770846025 + 53130585199329 = 4432355^2 + 7289073^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6570882 + ... + 13737874.

Almost surely, 2^{72776356045354} is an apocalyptic number.

72776356045354 is a deficient number, since it is larger than the sum of its proper divisors (44785767291038).

72776356045354 is a wasteful number, since it uses less digits than its factorization.

72776356045354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7557561.

The product of its (nonzero) digits is 444528000, while the sum is 64.

The spelling of 72776356045354 in words is "seventy-two trillion, seven hundred seventy-six billion, three hundred fifty-six million, forty-five thousand, three hundred fifty-four".