73640770422 has 16 divisors (see below), whose sum is σ = 148441239552. Its totient is φ = 24353640360.

The previous prime is 73640770403. The next prime is 73640770471. The reversal of 73640770422 is 22407704637.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48319954 + ... + 48321477.

It is an arithmetic number, because the mean of its divisors is an integer number (9277577472).

Almost surely, 2^73640770422 is an apocalyptic number.

73640770422 is an abundant number, since it is smaller than the sum of its proper divisors (74800469130).

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

73640770422 is a wasteful number, since it uses less digits than its factorization.

73640770422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96641563.

The product of its (nonzero) digits is 395136, while the sum is 42.

The spelling of 73640770422 in words is "seventy-three billion, six hundred forty million, seven hundred seventy thousand, four hundred twenty-two".