75766651 has 2 divisors, whose sum is σ = 75766652. Its totient is φ = 75766650.

The previous prime is 75766631. The next prime is 75766657. The reversal of 75766651 is 15666757.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75766651 - 2¹¹ = 75764603 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75766598 and 75766607.

It is not a weakly prime, because it can be changed into another prime (75766657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37883325 + 37883326.

It is an arithmetic number, because the mean of its divisors is an integer number (37883326).

Almost surely, 2^75766651 is an apocalyptic number.

75766651 is a deficient number, since it is larger than the sum of its proper divisors (1).

75766651 is an equidigital number, since it uses as much as digits as its factorization.

75766651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 264600, while the sum is 43.

The square root of 75766651 is about 8704.4041151592. The cubic root of 75766651 is about 423.1483941532.

The spelling of 75766651 in words is "seventy-five million, seven hundred sixty-six thousand, six hundred fifty-one".