76304761 has 4 divisors (see below), whose sum is σ = 82174372. Its totient is φ = 70435152.

The previous prime is 76304743. The next prime is 76304797. The reversal of 76304761 is 16740367.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18011536 + 58293225 = 4244^2 + 7635^2 .

It is a cyclic number.

It is not a de Polignac number, because 76304761 - 2⁷ = 76304633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76301761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2934786 + ... + 2934811.

It is an arithmetic number, because the mean of its divisors is an integer number (20543593).

Almost surely, 2^76304761 is an apocalyptic number.

It is an amenable number.

76304761 is a deficient number, since it is larger than the sum of its proper divisors (5869611).

76304761 is a wasteful number, since it uses less digits than its factorization.

76304761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5869610.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 76304761 is about 8735.2596412471. The cubic root of 76304761 is about 424.1477935738.

The spelling of 76304761 in words is "seventy-six million, three hundred four thousand, seven hundred sixty-one".