75220617336552 has 24 divisors (see below), whose sum is σ = 203722505286690. Its totient is φ = 25073539112160.

The previous prime is 75220617336541. The next prime is 75220617336629. The reversal of 75220617336552 is 25563371602257.

75220617336552 is a `hidden beast` number, since 7 + 5 + 2 + 20 + 61 + 7 + 3 + 3 + 6 + 552 = 666.

It can be written as a sum of positive squares in only one way, i.e., 69906421332036 + 5314196004516 = 8361006^2 + 2305254^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

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, 522365398099 + ... + 522365398242.

Almost surely, 2^{75220617336552} is an apocalyptic number.

75220617336552 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

75220617336552 is an abundant number, since it is smaller than the sum of its proper divisors (128501887950138).

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

75220617336552 is a wasteful number, since it uses less digits than its factorization.

75220617336552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044730796353 (or 1044730796346 counting only the distinct ones).

The product of its (nonzero) digits is 15876000, while the sum is 54.

The spelling of 75220617336552 in words is "seventy-five trillion, two hundred twenty billion, six hundred seventeen million, three hundred thirty-six thousand, five hundred fifty-two".