76840317 has 12 divisors (see below), whose sum is σ = 111150624. Its totient is φ = 51153480.

The previous prime is 76840307. The next prime is 76840327. The reversal of 76840317 is 71304867.

It is an interprime number because it is at equal distance from previous prime (76840307) and next prime (76840327).

It is not a de Polignac number, because 76840317 - 2¹⁹ = 76316029 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76840307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 942 + ... + 12432.

It is an arithmetic number, because the mean of its divisors is an integer number (9262552).

Almost surely, 2^76840317 is an apocalyptic number.

It is an amenable number.

76840317 is a deficient number, since it is larger than the sum of its proper divisors (34310307).

76840317 is a wasteful number, since it uses less digits than its factorization.

76840317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12240 (or 12237 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 76840317 is about 8765.8608818530. The cubic root of 76840317 is about 425.1377952264.

The spelling of 76840317 in words is "seventy-six million, eight hundred forty thousand, three hundred seventeen".