73047721677 has 32 divisors (see below), whose sum is σ = 116222625792. Its totient is φ = 39901882944.

The previous prime is 73047721657. The next prime is 73047721693. The reversal of 73047721677 is 77612774037.

It is not a de Polignac number, because 73047721677 - 2¹¹ = 73047719629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73047721657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 744478 + ... + 836864.

It is an arithmetic number, because the mean of its divisors is an integer number (3631957056).

Almost surely, 2^73047721677 is an apocalyptic number.

It is an amenable number.

73047721677 is a deficient number, since it is larger than the sum of its proper divisors (43174904115).

73047721677 is a wasteful number, since it uses less digits than its factorization.

73047721677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94057.

The product of its (nonzero) digits is 2420208, while the sum is 51.

The spelling of 73047721677 in words is "seventy-three billion, forty-seven million, seven hundred twenty-one thousand, six hundred seventy-seven".