75637372372 has 12 divisors (see below), whose sum is σ = 132496593460. Its totient is φ = 37781202816.

The previous prime is 75637372351. The next prime is 75637372379. The reversal of 75637372372 is 27327373657.

It can be written as a sum of positive squares in 2 ways, for example, as 49171288516 + 26466083856 = 221746^2 + 162684^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75637372379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9366303 + ... + 9374374.

Almost surely, 2^75637372372 is an apocalyptic number.

It is an amenable number.

75637372372 is a deficient number, since it is larger than the sum of its proper divisors (56859221088).

75637372372 is a wasteful number, since it uses less digits than its factorization.

75637372372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18741690 (or 18741688 counting only the distinct ones).

The product of its digits is 7779240, while the sum is 52.

The spelling of 75637372372 in words is "seventy-five billion, six hundred thirty-seven million, three hundred seventy-two thousand, three hundred seventy-two".