75575648 has 24 divisors (see below), whose sum is σ = 149061528. Its totient is φ = 37718784.

The previous prime is 75575641. The next prime is 75575657. The reversal of 75575648 is 84657557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75575641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18740 + ... + 22412.

It is an arithmetic number, because the mean of its divisors is an integer number (6210897).

Almost surely, 2^75575648 is an apocalyptic number.

It is an amenable number.

75575648 is a deficient number, since it is larger than the sum of its proper divisors (73485880).

75575648 is a wasteful number, since it uses less digits than its factorization.

75575648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4326 (or 4318 counting only the distinct ones).

The product of its digits is 1176000, while the sum is 47.

The square root of 75575648 is about 8693.4255618830. The cubic root of 75575648 is about 422.7925180380.

The spelling of 75575648 in words is "seventy-five million, five hundred seventy-five thousand, six hundred forty-eight".