76411221 has 8 divisors (see below), whose sum is σ = 106311360. Its totient is φ = 48725952.

The previous prime is 76411193. The next prime is 76411229. The reversal of 76411221 is 12211467.

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

It is not a de Polignac number, because 76411221 - 2⁵ = 76411189 is a prime.

It is a super-3 number, since 3×76411221³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 76411191 and 76411200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76411229) 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, 553636 + ... + 553773.

It is an arithmetic number, because the mean of its divisors is an integer number (13288920).

Almost surely, 2^76411221 is an apocalyptic number.

It is an amenable number.

76411221 is a deficient number, since it is larger than the sum of its proper divisors (29900139).

76411221 is a wasteful number, since it uses less digits than its factorization.

76411221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107435.

The product of its digits is 672, while the sum is 24.

The square root of 76411221 is about 8741.3512113403. The cubic root of 76411221 is about 424.3449581625.

Adding to 76411221 its reverse (12211467), we get a palindrome (88622688).

The spelling of 76411221 in words is "seventy-six million, four hundred eleven thousand, two hundred twenty-one".