76130749 has 2 divisors, whose sum is σ = 76130750. Its totient is φ = 76130748.

The previous prime is 76130731. The next prime is 76130753. The reversal of 76130749 is 94703167.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75568249 + 562500 = 8693^2 + 750^2 .

It is a cyclic number.

It is not a de Polignac number, because 76130749 - 2¹⁵ = 76097981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76130779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38065374 + 38065375.

It is an arithmetic number, because the mean of its divisors is an integer number (38065375).

Almost surely, 2^76130749 is an apocalyptic number.

It is an amenable number.

76130749 is a deficient number, since it is larger than the sum of its proper divisors (1).

76130749 is an equidigital number, since it uses as much as digits as its factorization.

76130749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 76130749 is about 8725.2936340275. The cubic root of 76130749 is about 423.8251270227.

The spelling of 76130749 in words is "seventy-six million, one hundred thirty thousand, seven hundred forty-nine".