75523745 has 8 divisors (see below), whose sum is σ = 98867520. Its totient is φ = 54926320.

The previous prime is 75523733. The next prime is 75523753. The reversal of 75523745 is 54732557.

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

It is not a de Polignac number, because 75523745 - 2⁴ = 75523729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75523699 and 75523708.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686525 + ... + 686634.

It is an arithmetic number, because the mean of its divisors is an integer number (12358440).

Almost surely, 2^75523745 is an apocalyptic number.

It is an amenable number.

75523745 is a deficient number, since it is larger than the sum of its proper divisors (23343775).

75523745 is a wasteful number, since it uses less digits than its factorization.

75523745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373175.

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

The square root of 75523745 is about 8690.4398622855. The cubic root of 75523745 is about 422.6957089639.

The spelling of 75523745 in words is "seventy-five million, five hundred twenty-three thousand, seven hundred forty-five".