76461709 has 2 divisors, whose sum is σ = 76461710. Its totient is φ = 76461708.

The previous prime is 76461691. The next prime is 76461713. The reversal of 76461709 is 90716467.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44595684 + 31866025 = 6678^2 + 5645^2 .

It is a cyclic number.

It is not a de Polignac number, because 76461709 - 2⁵ = 76461677 is a prime.

It is a Chen prime.

It is equal to p_4474957 and since 76461709 and 4474957 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76461739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38230854 + 38230855.

It is an arithmetic number, because the mean of its divisors is an integer number (38230855).

Almost surely, 2^76461709 is an apocalyptic number.

It is an amenable number.

76461709 is a deficient number, since it is larger than the sum of its proper divisors (1).

76461709 is an equidigital number, since it uses as much as digits as its factorization.

76461709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 76461709 is about 8744.2386175127. The cubic root of 76461709 is about 424.4383982404.

The spelling of 76461709 in words is "seventy-six million, four hundred sixty-one thousand, seven hundred nine".