75563408 has 10 divisors (see below), whose sum is σ = 146404134. Its totient is φ = 37781696.

The previous prime is 75563401. The next prime is 75563447. The reversal of 75563408 is 80436557.

It can be written as a sum of positive squares in only one way, i.e., 75550864 + 12544 = 8692^2 + 112^2 .

It is not an unprimeable number, because it can be changed into a prime (75563401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2361341 + ... + 2361372.

Almost surely, 2^75563408 is an apocalyptic number.

It is an amenable number.

75563408 is a deficient number, since it is larger than the sum of its proper divisors (70840726).

75563408 is a wasteful number, since it uses less digits than its factorization.

75563408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4722721 (or 4722715 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 75563408 is about 8692.7215531156. The cubic root of 75563408 is about 422.7696920794.

The spelling of 75563408 in words is "seventy-five million, five hundred sixty-three thousand, four hundred eight".