73721276632077 has 16 divisors (see below), whose sum is σ = 101685304203840. Its totient is φ = 47452409564672.

The previous prime is 73721276631971. The next prime is 73721276632109. The reversal of 73721276632077 is 77023667212737.

It is a cyclic number.

It is not a de Polignac number, because 73721276632077 - 2¹⁰ = 73721276631053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73721276632077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73721276630077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8302858 + ... + 14709860.

It is an arithmetic number, because the mean of its divisors is an integer number (6355331512740).

Almost surely, 2^{73721276632077} is an apocalyptic number.

It is an amenable number.

73721276632077 is a deficient number, since it is larger than the sum of its proper divisors (27964027571763).

73721276632077 is a wasteful number, since it uses less digits than its factorization.

73721276632077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6539292.

The product of its (nonzero) digits is 43563744, while the sum is 60.

The spelling of 73721276632077 in words is "seventy-three trillion, seven hundred twenty-one billion, two hundred seventy-six million, six hundred thirty-two thousand, seventy-seven".