75069709550 has 48 divisors (see below), whose sum is σ = 152395603200. Its totient is φ = 27285112800.

The previous prime is 75069709531. The next prime is 75069709577. The reversal of 75069709550 is 5590796057.

It is a super-2 number, since 2×75069709550² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75069709492 and 75069709501.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1167131 + ... + 1229769.

It is an arithmetic number, because the mean of its divisors is an integer number (3174908400).

Almost surely, 2^75069709550 is an apocalyptic number.

75069709550 is an abundant number, since it is smaller than the sum of its proper divisors (77325893650).

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

75069709550 is a wasteful number, since it uses less digits than its factorization.

75069709550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64841 (or 64836 counting only the distinct ones).

The product of its (nonzero) digits is 2976750, while the sum is 53.

The spelling of 75069709550 in words is "seventy-five billion, sixty-nine million, seven hundred nine thousand, five hundred fifty".