75284641 has 2 divisors, whose sum is σ = 75284642. Its totient is φ = 75284640.

The previous prime is 75284633. The next prime is 75284659. The reversal of 75284641 is 14648257.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43033600 + 32251041 = 6560^2 + 5679^2 .

It is a cyclic number.

It is not a de Polignac number, because 75284641 - 2³ = 75284633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75284641.

It is not a weakly prime, because it can be changed into another prime (75284611) 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 as a sum of consecutive naturals, namely, 37642320 + 37642321.

It is an arithmetic number, because the mean of its divisors is an integer number (37642321).

Almost surely, 2^75284641 is an apocalyptic number.

It is an amenable number.

75284641 is a deficient number, since it is larger than the sum of its proper divisors (1).

75284641 is an equidigital number, since it uses as much as digits as its factorization.

75284641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 37.

The square root of 75284641 is about 8676.6722307576. The cubic root of 75284641 is about 422.2491603029.

The spelling of 75284641 in words is "seventy-five million, two hundred eighty-four thousand, six hundred forty-one".