76051321 has 4 divisors (see below), whose sum is σ = 76079952. Its totient is φ = 76022692.

The previous prime is 76051307. The next prime is 76051361. The reversal of 76051321 is 12315067.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12315067 = 137 ⋅89891.

It is a cyclic number.

It is not a de Polignac number, because 76051321 - 2¹¹ = 76049273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76051361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9871 + ... + 15796.

It is an arithmetic number, because the mean of its divisors is an integer number (19019988).

Almost surely, 2^76051321 is an apocalyptic number.

It is an amenable number.

76051321 is a deficient number, since it is larger than the sum of its proper divisors (28631).

76051321 is a wasteful number, since it uses less digits than its factorization.

76051321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28630.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 76051321 is about 8720.7408515561. The cubic root of 76051321 is about 423.6776820169.

Adding to 76051321 its reverse (12315067), we get a palindrome (88366388).

The spelling of 76051321 in words is "seventy-six million, fifty-one thousand, three hundred twenty-one".