75250751 has 2 divisors, whose sum is σ = 75250752. Its totient is φ = 75250750.

The previous prime is 75250741. The next prime is 75250771. The reversal of 75250751 is 15705257.

It is a weak prime.

It is an emirp because it is prime and its reverse (15705257) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75250751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75250741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37625375 + 37625376.

It is an arithmetic number, because the mean of its divisors is an integer number (37625376).

Almost surely, 2^75250751 is an apocalyptic number.

75250751 is a deficient number, since it is larger than the sum of its proper divisors (1).

75250751 is an equidigital number, since it uses as much as digits as its factorization.

75250751 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12250, while the sum is 32.

The square root of 75250751 is about 8674.7190732611. The cubic root of 75250751 is about 422.1857911498.

The spelling of 75250751 in words is "seventy-five million, two hundred fifty thousand, seven hundred fifty-one".