76640343 has 16 divisors (see below), whose sum is σ = 111121920. Its totient is φ = 46702944.

The previous prime is 76640327. The next prime is 76640353. The reversal of 76640343 is 34304667.

It is not a de Polignac number, because 76640343 - 2⁴ = 76640327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76640353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5523 + ... + 13556.

It is an arithmetic number, because the mean of its divisors is an integer number (6945120).

Almost surely, 2^76640343 is an apocalyptic number.

76640343 is a deficient number, since it is larger than the sum of its proper divisors (34481577).

76640343 is a wasteful number, since it uses less digits than its factorization.

76640343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19198.

The product of its (nonzero) digits is 36288, while the sum is 33.

The square root of 76640343 is about 8754.4470413613. The cubic root of 76640343 is about 424.7686731893.

The spelling of 76640343 in words is "seventy-six million, six hundred forty thousand, three hundred forty-three".