73640622522 has 64 divisors (see below), whose sum is σ = 155616422400. Its totient is φ = 23167604160.

The previous prime is 73640622487. The next prime is 73640622529. The reversal of 73640622522 is 22522604637.

It is not an unprimeable number, because it can be changed into a prime (73640622529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56342593 + ... + 56343899.

It is an arithmetic number, because the mean of its divisors is an integer number (2431506600).

Almost surely, 2^73640622522 is an apocalyptic number.

73640622522 is an abundant number, since it is smaller than the sum of its proper divisors (81975799878).

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

73640622522 is a wasteful number, since it uses less digits than its factorization.

73640622522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811.

The product of its (nonzero) digits is 241920, while the sum is 39.

The spelling of 73640622522 in words is "seventy-three billion, six hundred forty million, six hundred twenty-two thousand, five hundred twenty-two".