75730134813554 has 32 divisors (see below), whose sum is σ = 130398695607600. Its totient is φ = 32675567265792.

The previous prime is 75730134813551. The next prime is 75730134813569. The reversal of 75730134813554 is 45531843103757.

It can be written as a sum of positive squares in 8 ways, for example, as 3341127015625 + 72389007797929 = 1827875^2 + 8508173^2 .

It is a super-2 number, since 2×75730134813554² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 75730134813554.

It is not an unprimeable number, because it can be changed into a prime (75730134813551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574884299 + ... + 575016014.

Almost surely, 2^{75730134813554} is an apocalyptic number.

75730134813554 is a deficient number, since it is larger than the sum of its proper divisors (54668560794046).

75730134813554 is a wasteful number, since it uses less digits than its factorization.

75730134813554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149900494.

The product of its (nonzero) digits is 21168000, while the sum is 56.

The spelling of 75730134813554 in words is "seventy-five trillion, seven hundred thirty billion, one hundred thirty-four million, eight hundred thirteen thousand, five hundred fifty-four".