75740207328 has 84 divisors (see below), whose sum is σ = 223568095968. Its totient is φ = 25246728000.

The previous prime is 75740207299. The next prime is 75740207341. The reversal of 75740207328 is 82370204757.

75740207328 is a `hidden beast` number, since 7 + 574 + 0 + 2 + 0 + 73 + 2 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1600048 + ... + 1646703.

It is an arithmetic number, because the mean of its divisors is an integer number (2661524952).

Almost surely, 2^75740207328 is an apocalyptic number.

It is an amenable number.

75740207328 is an abundant number, since it is smaller than the sum of its proper divisors (147827888640).

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

75740207328 is an equidigital number, since it uses as much as digits as its factorization.

75740207328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3246779 (or 3246756 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 45.

The spelling of 75740207328 in words is "seventy-five billion, seven hundred forty million, two hundred seven thousand, three hundred twenty-eight".