75540396 has 12 divisors (see below), whose sum is σ = 176260952. Its totient is φ = 25180128.

The previous prime is 75540391. The next prime is 75540403. The reversal of 75540396 is 69304557.

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

It is not an unprimeable number, because it can be changed into a prime (75540391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3147505 + ... + 3147528.

Almost surely, 2^75540396 is an apocalyptic number.

It is an amenable number.

75540396 is an abundant number, since it is smaller than the sum of its proper divisors (100720556).

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

75540396 is a wasteful number, since it uses less digits than its factorization.

75540396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6295040 (or 6295038 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 75540396 is about 8691.3978162319. The cubic root of 75540396 is about 422.7267711111.

The spelling of 75540396 in words is "seventy-five million, five hundred forty thousand, three hundred ninety-six".