75657973069 has 16 divisors (see below), whose sum is σ = 86585955840. Its totient is φ = 64759996800.

The previous prime is 75657973021. The next prime is 75657973073. The reversal of 75657973069 is 96037975657.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 75657973069 - 2¹⁷ = 75657841997 is a prime.

It is a super-2 number, since 2×75657973069² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75657973069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75657953069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26006787 + ... + 26009695.

It is an arithmetic number, because the mean of its divisors is an integer number (5411622240).

Almost surely, 2^75657973069 is an apocalyptic number.

It is an amenable number.

75657973069 is a deficient number, since it is larger than the sum of its proper divisors (10927982771).

75657973069 is a wasteful number, since it uses less digits than its factorization.

75657973069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6780.

The product of its (nonzero) digits is 75014100, while the sum is 64.

The spelling of 75657973069 in words is "seventy-five billion, six hundred fifty-seven million, nine hundred seventy-three thousand, sixty-nine".