76630761 has 6 divisors (see below), whose sum is σ = 110688890. Its totient is φ = 51087168.

The previous prime is 76630759. The next prime is 76630777. The reversal of 76630761 is 16703667.

It can be written as a sum of positive squares in only one way, i.e., 41525136 + 35105625 = 6444^2 + 5925^2 .

It is not a de Polignac number, because 76630761 - 2¹ = 76630759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76630751) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4257256 + ... + 4257273.

Almost surely, 2^76630761 is an apocalyptic number.

It is an amenable number.

76630761 is a deficient number, since it is larger than the sum of its proper divisors (34058129).

76630761 is a wasteful number, since it uses less digits than its factorization.

76630761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8514535 (or 8514532 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 76630761 is about 8753.8997595357. The cubic root of 76630761 is about 424.7509701411.

The spelling of 76630761 in words is "seventy-six million, six hundred thirty thousand, seven hundred sixty-one".