75755748 has 12 divisors (see below), whose sum is σ = 176763440. Its totient is φ = 25251912.

The previous prime is 75755737. The next prime is 75755749. The reversal of 75755748 is 84755757.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 75755697 and 75755706.

It is not an unprimeable number, because it can be changed into a prime (75755749) 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, 3156478 + ... + 3156501.

Almost surely, 2^75755748 is an apocalyptic number.

It is an amenable number.

75755748 is an abundant number, since it is smaller than the sum of its proper divisors (101007692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75755748 is a wasteful number, since it uses less digits than its factorization.

75755748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6312986 (or 6312984 counting only the distinct ones).

The product of its digits is 1372000, while the sum is 48.

The square root of 75755748 is about 8703.7778004726. Note that the first 3 decimals coincide. The cubic root of 75755748 is about 423.1280958284.

Subtracting 75755748 from its reverse (84755757), we obtain a palindrome (9000009).

The spelling of 75755748 in words is "seventy-five million, seven hundred fifty-five thousand, seven hundred forty-eight".