76308761 has 2 divisors, whose sum is σ = 76308762. Its totient is φ = 76308760.

The previous prime is 76308737. The next prime is 76308797. The reversal of 76308761 is 16780367.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76230361 + 78400 = 8731^2 + 280^2 .

It is a cyclic number.

It is not a de Polignac number, because 76308761 - 2¹⁸ = 76046617 is a prime.

It is a super-3 number, since 3×76308761³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (76308721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38154380 + 38154381.

It is an arithmetic number, because the mean of its divisors is an integer number (38154381).

Almost surely, 2^76308761 is an apocalyptic number.

It is an amenable number.

76308761 is a deficient number, since it is larger than the sum of its proper divisors (1).

76308761 is an equidigital number, since it uses as much as digits as its factorization.

76308761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 76308761 is about 8735.4885953792. The cubic root of 76308761 is about 424.1552049135.

The spelling of 76308761 in words is "seventy-six million, three hundred eight thousand, seven hundred sixty-one".