73965814077 has 16 divisors (see below), whose sum is σ = 107391384000. Its totient is φ = 45104379264.

The previous prime is 73965814049. The next prime is 73965814079. The reversal of 73965814077 is 77041856937.

It is a happy number.

It is not a de Polignac number, because 73965814077 - 2⁸ = 73965813821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73965814079) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 22371552 + ... + 22374857.

It is an arithmetic number, because the mean of its divisors is an integer number (6711961500).

Almost surely, 2^73965814077 is an apocalyptic number.

It is an amenable number.

73965814077 is a deficient number, since it is larger than the sum of its proper divisors (33425569923).

73965814077 is a wasteful number, since it uses less digits than its factorization.

73965814077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44746460.

The product of its (nonzero) digits is 8890560, while the sum is 57.

The spelling of 73965814077 in words is "seventy-three billion, nine hundred sixty-five million, eight hundred fourteen thousand, seventy-seven".