75276561 has 8 divisors (see below), whose sum is σ = 106272864. Its totient is φ = 47232320.

The previous prime is 75276541. The next prime is 75276569. The reversal of 75276561 is 16567257.

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 75276561 - 2⁵ = 75276529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75276569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 737955 + ... + 738056.

It is an arithmetic number, because the mean of its divisors is an integer number (13284108).

Almost surely, 2^75276561 is an apocalyptic number.

It is an amenable number.

75276561 is a deficient number, since it is larger than the sum of its proper divisors (30996303).

75276561 is a wasteful number, since it uses less digits than its factorization.

75276561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476031.

The product of its digits is 88200, while the sum is 39.

The square root of 75276561 is about 8676.2066019661. The cubic root of 75276561 is about 422.2340536569.

The spelling of 75276561 in words is "seventy-five million, two hundred seventy-six thousand, five hundred sixty-one".