73406666732 has 24 divisors (see below), whose sum is σ = 146819102976. Its totient is φ = 31458763728.

The previous prime is 73406666681. The next prime is 73406666741. The reversal of 73406666732 is 23766660437.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1255583 + ... + 1312745.

It is an arithmetic number, because the mean of its divisors is an integer number (6117462624).

Almost surely, 2^73406666732 is an apocalyptic number.

It is an amenable number.

73406666732 is an abundant number, since it is smaller than the sum of its proper divisors (73412436244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73406666732 is a wasteful number, since it uses less digits than its factorization.

73406666732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103037 (or 103035 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 50.

The spelling of 73406666732 in words is "seventy-three billion, four hundred six million, six hundred sixty-six thousand, seven hundred thirty-two".