75947485 has 4 divisors (see below), whose sum is σ = 91136988. Its totient is φ = 60757984.

The previous prime is 75947461. The next prime is 75947497. The reversal of 75947485 is 58474957.

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 28323684 + 47623801 = 5322^2 + 6901^2 .

It is a cyclic number.

It is not a de Polignac number, because 75947485 - 2⁵ = 75947453 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

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, 7594744 + ... + 7594753.

It is an arithmetic number, because the mean of its divisors is an integer number (22784247).

Almost surely, 2^75947485 is an apocalyptic number.

It is an amenable number.

75947485 is a deficient number, since it is larger than the sum of its proper divisors (15189503).

75947485 is a wasteful number, since it uses less digits than its factorization.

75947485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15189502.

The product of its digits is 1411200, while the sum is 49.

The square root of 75947485 is about 8714.7854247824. The cubic root of 75947485 is about 423.4847726665.

The spelling of 75947485 in words is "seventy-five million, nine hundred forty-seven thousand, four hundred eighty-five".