75355428 has 12 divisors (see below), whose sum is σ = 175829360. Its totient is φ = 25118472.

The previous prime is 75355411. The next prime is 75355439. The reversal of 75355428 is 82455357.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3139798 + ... + 3139821.

Almost surely, 2^75355428 is an apocalyptic number.

It is an amenable number.

75355428 is an abundant number, since it is smaller than the sum of its proper divisors (100473932).

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

75355428 is a wasteful number, since it uses less digits than its factorization.

75355428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6279626 (or 6279624 counting only the distinct ones).

The product of its digits is 168000, while the sum is 39.

The square root of 75355428 is about 8680.7504283904. The cubic root of 75355428 is about 422.3814599229.

The spelling of 75355428 in words is "seventy-five million, three hundred fifty-five thousand, four hundred twenty-eight".