75660148 has 6 divisors (see below), whose sum is σ = 132405266. Its totient is φ = 37830072.

The previous prime is 75660139. The next prime is 75660157. The reversal of 75660148 is 84106657.

It is an interprime number because it is at equal distance from previous prime (75660139) and next prime (75660157).

It can be written as a sum of positive squares in only one way, i.e., 75377124 + 283024 = 8682^2 + 532^2 .

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, 9457515 + ... + 9457522.

Almost surely, 2^75660148 is an apocalyptic number.

It is an amenable number.

75660148 is a deficient number, since it is larger than the sum of its proper divisors (56745118).

75660148 is a wasteful number, since it uses less digits than its factorization.

75660148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18915041 (or 18915039 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 75660148 is about 8698.2841986222. The cubic root of 75660148 is about 422.9500320084.

The spelling of 75660148 in words is "seventy-five million, six hundred sixty thousand, one hundred forty-eight".