73288940549 has 16 divisors (see below), whose sum is σ = 82131717696. Its totient is φ = 64810368000.

The previous prime is 73288940539. The next prime is 73288940551. The reversal of 73288940549 is 94504988237.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 73288940549 - 2³² = 68993973253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73288940539) 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, 1935254 + ... + 1972760.

It is an arithmetic number, because the mean of its divisors is an integer number (5133232356).

Almost surely, 2^73288940549 is an apocalyptic number.

It is an amenable number.

73288940549 is a deficient number, since it is larger than the sum of its proper divisors (8842777147).

73288940549 is a wasteful number, since it uses less digits than its factorization.

73288940549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42356.

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 73288940549 in words is "seventy-three billion, two hundred eighty-eight million, nine hundred forty thousand, five hundred forty-nine".