76057221 has 8 divisors (see below), whose sum is σ = 101701600. Its totient is φ = 50558832.

The previous prime is 76057211. The next prime is 76057253. The reversal of 76057221 is 12275067.

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

It is not a de Polignac number, because 76057221 - 2¹⁸ = 75795077 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 (76057211) 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, 35275 + ... + 37368.

It is an arithmetic number, because the mean of its divisors is an integer number (12712700).

Almost surely, 2^76057221 is an apocalyptic number.

It is an amenable number.

76057221 is a deficient number, since it is larger than the sum of its proper divisors (25644379).

76057221 is a wasteful number, since it uses less digits than its factorization.

76057221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72995.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 76057221 is about 8721.0791190082. The cubic root of 76057221 is about 423.6886379243.

The spelling of 76057221 in words is "seventy-six million, fifty-seven thousand, two hundred twenty-one".