75606385 has 4 divisors (see below), whose sum is σ = 90727668. Its totient is φ = 60485104.

The previous prime is 75606383. The next prime is 75606413. The reversal of 75606385 is 58360657.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12117361 + 63489024 = 3481^2 + 7968^2 .

It is a cyclic number.

It is not a de Polignac number, because 75606385 - 2¹ = 75606383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75606383) 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, 7560634 + ... + 7560643.

It is an arithmetic number, because the mean of its divisors is an integer number (22681917).

Almost surely, 2^75606385 is an apocalyptic number.

It is an amenable number.

75606385 is a deficient number, since it is larger than the sum of its proper divisors (15121283).

75606385 is a wasteful number, since it uses less digits than its factorization.

75606385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15121282.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 75606385 is about 8695.1932123444. The cubic root of 75606385 is about 422.8498275577.

The spelling of 75606385 in words is "seventy-five million, six hundred six thousand, three hundred eighty-five".