75232451668 has 24 divisors (see below), whose sum is σ = 143668254240. Its totient is φ = 34186410720.

The previous prime is 75232451663. The next prime is 75232451677. The reversal of 75232451668 is 86615423257.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75232451663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103146 + ... + 401377.

It is an arithmetic number, because the mean of its divisors is an integer number (5986177260).

Almost surely, 2^75232451668 is an apocalyptic number.

It is an amenable number.

75232451668 is a deficient number, since it is larger than the sum of its proper divisors (68435802572).

75232451668 is a wasteful number, since it uses less digits than its factorization.

75232451668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507927 (or 507925 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 49.

The spelling of 75232451668 in words is "seventy-five billion, two hundred thirty-two million, four hundred fifty-one thousand, six hundred sixty-eight".