75032693491 has 12 divisors (see below), whose sum is σ = 87295221840. Its totient is φ = 64304679600.

The previous prime is 75032693473. The next prime is 75032693497. The reversal of 75032693491 is 19439623057.

It is not a de Polignac number, because 75032693491 - 2¹¹ = 75032691443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75032693497) 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 11 ways as a sum of consecutive naturals, for example, 256045 + ... + 464353.

It is an arithmetic number, because the mean of its divisors is an integer number (7274601820).

Almost surely, 2^75032693491 is an apocalyptic number.

75032693491 is a deficient number, since it is larger than the sum of its proper divisors (12262528349).

75032693491 is a wasteful number, since it uses less digits than its factorization.

75032693491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215674 (or 215667 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 49.

The spelling of 75032693491 in words is "seventy-five billion, thirty-two million, six hundred ninety-three thousand, four hundred ninety-one".