73640640067122 has 32 divisors (see below), whose sum is σ = 147443107073472. Its totient is φ = 24519911085824.

The previous prime is 73640640067117. The next prime is 73640640067213. The reversal of 73640640067122 is 22176004604637.

73640640067122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138790798 + ... + 139320374.

It is an arithmetic number, because the mean of its divisors is an integer number (4607597096046).

Almost surely, 2^{73640640067122} is an apocalyptic number.

73640640067122 is an abundant number, since it is smaller than the sum of its proper divisors (73802467006350).

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

73640640067122 is a wasteful number, since it uses less digits than its factorization.

73640640067122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555002.

The product of its (nonzero) digits is 2032128, while the sum is 48.

The spelling of 73640640067122 in words is "seventy-three trillion, six hundred forty billion, six hundred forty million, sixty-seven thousand, one hundred twenty-two".