76830121 has 8 divisors (see below), whose sum is σ = 81154304. Its totient is φ = 72621360.

The previous prime is 76830109. The next prime is 76830133. The reversal of 76830121 is 12103867.

It is an interprime number because it is at equal distance from previous prime (76830109) and next prime (76830133).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76830121 - 2¹⁹ = 76305833 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 76830121.

It is not an unprimeable number, because it can be changed into a prime (76830151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27486 + ... + 30151.

It is an arithmetic number, because the mean of its divisors is an integer number (10144288).

Almost surely, 2^76830121 is an apocalyptic number.

It is an amenable number.

76830121 is a deficient number, since it is larger than the sum of its proper divisors (4324183).

76830121 is a wasteful number, since it uses less digits than its factorization.

76830121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57711.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 76830121 is about 8765.2792881916. The cubic root of 76830121 is about 425.1189904423.

Adding to 76830121 its reverse (12103867), we get a palindrome (88933988).

The spelling of 76830121 in words is "seventy-six million, eight hundred thirty thousand, one hundred twenty-one".