76084221 has 4 divisors (see below), whose sum is σ = 101445632. Its totient is φ = 50722812.

The previous prime is 76084213. The next prime is 76084223. The reversal of 76084221 is 12248067.

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 not a de Polignac number, because 76084221 - 2³ = 76084213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76084223) 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, 12680701 + ... + 12680706.

It is an arithmetic number, because the mean of its divisors is an integer number (25361408).

Almost surely, 2^76084221 is an apocalyptic number.

It is an amenable number.

76084221 is a deficient number, since it is larger than the sum of its proper divisors (25361411).

76084221 is a wasteful number, since it uses less digits than its factorization.

76084221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25361410.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 76084221 is about 8722.6269552240. The cubic root of 76084221 is about 423.7387678996.

The spelling of 76084221 in words is "seventy-six million, eighty-four thousand, two hundred twenty-one".