76842413 has 4 divisors (see below), whose sum is σ = 76919580. Its totient is φ = 76765248.

The previous prime is 76842391. The next prime is 76842449. The reversal of 76842413 is 31424867.

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 16826404 + 60016009 = 4102^2 + 7747^2 .

It is a cyclic number.

It is not a de Polignac number, because 76842413 - 2⁶ = 76842349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76842463) 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, 37070 + ... + 39087.

It is an arithmetic number, because the mean of its divisors is an integer number (19229895).

Almost surely, 2^76842413 is an apocalyptic number.

It is an amenable number.

76842413 is a deficient number, since it is larger than the sum of its proper divisors (77167).

76842413 is a wasteful number, since it uses less digits than its factorization.

76842413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77166.

The product of its digits is 32256, while the sum is 35.

The square root of 76842413 is about 8765.9804357528. The cubic root of 76842413 is about 425.1416607350.

The spelling of 76842413 in words is "seventy-six million, eight hundred forty-two thousand, four hundred thirteen".