75108393 has 6 divisors (see below), whose sum is σ = 108489914. Its totient is φ = 50072256.

The previous prime is 75108389. The next prime is 75108403. The reversal of 75108393 is 39380157.

It can be written as a sum of positive squares in only one way, i.e., 54287424 + 20820969 = 7368^2 + 4563^2 .

It is not a de Polignac number, because 75108393 - 2² = 75108389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75108343) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4172680 + ... + 4172697.

Almost surely, 2^75108393 is an apocalyptic number.

It is an amenable number.

75108393 is a deficient number, since it is larger than the sum of its proper divisors (33381521).

75108393 is a wasteful number, since it uses less digits than its factorization.

75108393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8345383 (or 8345380 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 75108393 is about 8666.5098511454. The cubic root of 75108393 is about 421.9193952951.

The spelling of 75108393 in words is "seventy-five million, one hundred eight thousand, three hundred ninety-three".