75681148 has 6 divisors (see below), whose sum is σ = 132442016. Its totient is φ = 37840572.

The previous prime is 75681113. The next prime is 75681163. The reversal of 75681148 is 84118657.

It is a self number, because there is not a number n which added to its sum of digits gives 75681148.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 9460140 + ... + 9460147.

Almost surely, 2^75681148 is an apocalyptic number.

It is an amenable number.

75681148 is a deficient number, since it is larger than the sum of its proper divisors (56760868).

75681148 is a wasteful number, since it uses less digits than its factorization.

75681148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18920291 (or 18920289 counting only the distinct ones).

The product of its digits is 53760, while the sum is 40.

The square root of 75681148 is about 8699.4912494927. The cubic root of 75681148 is about 422.9891592957.

The spelling of 75681148 in words is "seventy-five million, six hundred eighty-one thousand, one hundred forty-eight".