76680293 has 4 divisors (see below), whose sum is σ = 76707660. Its totient is φ = 76652928.

The previous prime is 76680283. The next prime is 76680337. The reversal of 76680293 is 39208667.

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 41242084 + 35438209 = 6422^2 + 5953^2 .

It is a cyclic number.

It is not a de Polignac number, because 76680293 - 2⁴ = 76680277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76680293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76680203) 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, 8930 + ... + 15267.

It is an arithmetic number, because the mean of its divisors is an integer number (19176915).

Almost surely, 2^76680293 is an apocalyptic number.

It is an amenable number.

76680293 is a deficient number, since it is larger than the sum of its proper divisors (27367).

76680293 is a wasteful number, since it uses less digits than its factorization.

76680293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27366.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 76680293 is about 8756.7284416042. The cubic root of 76680293 is about 424.8424661820.

The spelling of 76680293 in words is "seventy-six million, six hundred eighty thousand, two hundred ninety-three".