76815241 has 4 divisors (see below), whose sum is σ = 79293184. Its totient is φ = 74337300.

The previous prime is 76815203. The next prime is 76815251. The reversal of 76815241 is 14251867.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 76815241 - 2¹¹ = 76813193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76815197 and 76815206.

It is not an unprimeable number, because it can be changed into a prime (76815251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1238925 + ... + 1238986.

It is an arithmetic number, because the mean of its divisors is an integer number (19823296).

Almost surely, 2^76815241 is an apocalyptic number.

It is an amenable number.

76815241 is a deficient number, since it is larger than the sum of its proper divisors (2477943).

76815241 is a wasteful number, since it uses less digits than its factorization.

76815241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2477942.

The product of its digits is 13440, while the sum is 34.

The square root of 76815241 is about 8764.4304435599. The cubic root of 76815241 is about 425.0915438328.

The spelling of 76815241 in words is "seventy-six million, eight hundred fifteen thousand, two hundred forty-one".