75348661 has 8 divisors (see below), whose sum is σ = 81002880. Its totient is φ = 69863328.

The previous prime is 75348653. The next prime is 75348673. The reversal of 75348661 is 16684357.

It is a happy number.

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 75348661 - 2³ = 75348653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75348601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41296 + ... + 43081.

It is an arithmetic number, because the mean of its divisors is an integer number (10125360).

Almost surely, 2^75348661 is an apocalyptic number.

It is an amenable number.

75348661 is a deficient number, since it is larger than the sum of its proper divisors (5654219).

75348661 is a wasteful number, since it uses less digits than its factorization.

75348661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84443.

The product of its digits is 120960, while the sum is 40.

The square root of 75348661 is about 8680.3606491896. The cubic root of 75348661 is about 422.3688161051.

The spelling of 75348661 in words is "seventy-five million, three hundred forty-eight thousand, six hundred sixty-one".