73773747674811 has 40 divisors (see below), whose sum is σ = 112882863878400. Its totient is φ = 47989847688048.

The previous prime is 73773747674743. The next prime is 73773747674819. The reversal of 73773747674811 is 11847674737737.

It is a happy number.

73773747674811 is a `hidden beast` number, since 7 + 3 + 7 + 7 + 3 + 7 + 476 + 74 + 81 + 1 = 666.

It is not a de Polignac number, because 73773747674811 - 2²¹ = 73773745577659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73773747674811.

It is not an unprimeable number, because it can be changed into a prime (73773747674819) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7349911 + ... + 14197488.

It is an arithmetic number, because the mean of its divisors is an integer number (2822071596960).

Almost surely, 2^{73773747674811} is an apocalyptic number.

73773747674811 is a deficient number, since it is larger than the sum of its proper divisors (39109116203589).

73773747674811 is a wasteful number, since it uses less digits than its factorization.

73773747674811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21548437 (or 21548428 counting only the distinct ones).

The product of its digits is 813189888, while the sum is 72.

The spelling of 73773747674811 in words is "seventy-three trillion, seven hundred seventy-three billion, seven hundred forty-seven million, six hundred seventy-four thousand, eight hundred eleven".