75532745 has 8 divisors (see below), whose sum is σ = 90936384. Its totient is φ = 60228144.

The previous prime is 75532727. The next prime is 75532747. The reversal of 75532745 is 54723557.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75532745 - 2⁸ = 75532489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 75532699 and 75532708.

It is not an unprimeable number, because it can be changed into a prime (75532747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23069 + ... + 26138.

It is an arithmetic number, because the mean of its divisors is an integer number (11367048).

Almost surely, 2^75532745 is an apocalyptic number.

It is an amenable number.

75532745 is a deficient number, since it is larger than the sum of its proper divisors (15403639).

75532745 is a wasteful number, since it uses less digits than its factorization.

75532745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49519.

The product of its digits is 147000, while the sum is 38.

The square root of 75532745 is about 8690.9576572435. The cubic root of 75532745 is about 422.7124988723.

The spelling of 75532745 in words is "seventy-five million, five hundred thirty-two thousand, seven hundred forty-five".