75559045 has 4 divisors (see below), whose sum is σ = 90670860. Its totient is φ = 60447232.

The previous prime is 75559039. The next prime is 75559063. The reversal of 75559045 is 54095557.

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 43850884 + 31708161 = 6622^2 + 5631^2 .

It is a cyclic number.

It is not a de Polignac number, because 75559045 - 2²³ = 67170437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75558989 and 75559007.

It is a congruent number.

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, 7555900 + ... + 7555909.

It is an arithmetic number, because the mean of its divisors is an integer number (22667715).

Almost surely, 2^75559045 is an apocalyptic number.

It is an amenable number.

75559045 is a deficient number, since it is larger than the sum of its proper divisors (15111815).

75559045 is a wasteful number, since it uses less digits than its factorization.

75559045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15111814.

The product of its (nonzero) digits is 157500, while the sum is 40.

The square root of 75559045 is about 8692.4705924150. The cubic root of 75559045 is about 422.7615550736.

The spelling of 75559045 in words is "seventy-five million, five hundred fifty-nine thousand, forty-five".