76840413 has 24 divisors (see below), whose sum is σ = 114543360. Its totient is φ = 45751680.

The previous prime is 76840411. The next prime is 76840417. The reversal of 76840413 is 31404867.

It is not a de Polignac number, because 76840413 - 2¹ = 76840411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76840411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13273 + ... + 18161.

It is an arithmetic number, because the mean of its divisors is an integer number (4772640).

Almost surely, 2^76840413 is an apocalyptic number.

It is an amenable number.

76840413 is a deficient number, since it is larger than the sum of its proper divisors (37702947).

76840413 is a wasteful number, since it uses less digits than its factorization.

76840413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949 (or 4936 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 76840413 is about 8765.8663576397. The cubic root of 76840413 is about 425.1379722741.

The spelling of 76840413 in words is "seventy-six million, eight hundred forty thousand, four hundred thirteen".