73438704522 has 12 divisors (see below), whose sum is σ = 159117193170. Its totient is φ = 24479568168.

The previous prime is 73438704517. The next prime is 73438704541. The reversal of 73438704522 is 22540783437.

73438704522 is a `hidden beast` number, since 7 + 3 + 43 + 87 + 0 + 4 + 522 = 666.

It can be written as a sum of positive squares in only one way, i.e., 65556993681 + 7881710841 = 256041^2 + 88779^2 .

It is a super-3 number, since 3×73438704522³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2039963997 + ... + 2039964032.

Almost surely, 2^73438704522 is an apocalyptic number.

73438704522 is an abundant number, since it is smaller than the sum of its proper divisors (85678488648).

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

73438704522 is a wasteful number, since it uses less digits than its factorization.

73438704522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4079928037 (or 4079928034 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The spelling of 73438704522 in words is "seventy-three billion, four hundred thirty-eight million, seven hundred four thousand, five hundred twenty-two".