73740544236763 has 4 divisors (see below), whose sum is σ = 73744584168688. Its totient is φ = 73736504304840.

The previous prime is 73740544236719. The next prime is 73740544236781. The reversal of 73740544236763 is 36763244504737.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73740544236763 - 2¹⁷ = 73740544105691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73740544236263) 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, 2019938583 + ... + 2019975088.

It is an arithmetic number, because the mean of its divisors is an integer number (18436146042172).

Almost surely, 2^{73740544236763} is an apocalyptic number.

73740544236763 is a deficient number, since it is larger than the sum of its proper divisors (4039931925).

73740544236763 is a wasteful number, since it uses less digits than its factorization.

73740544236763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4039931924.

The product of its (nonzero) digits is 213373440, while the sum is 61.

The spelling of 73740544236763 in words is "seventy-three trillion, seven hundred forty billion, five hundred forty-four million, two hundred thirty-six thousand, seven hundred sixty-three".