76470622710221 has 4 divisors (see below), whose sum is σ = 76480519265472. Its totient is φ = 76460726154972.

The previous prime is 76470622710197. The next prime is 76470622710247. The reversal of 76470622710221 is 12201722607467.

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 a de Polignac number, because none of the positive numbers 2^k-76470622710221 is a prime.

It is a super-2 number, since 2×76470622710221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76470622712221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4948266035 + ... + 4948281488.

It is an arithmetic number, because the mean of its divisors is an integer number (19120129816368).

Almost surely, 2^{76470622710221} is an apocalyptic number.

It is an amenable number.

76470622710221 is a deficient number, since it is larger than the sum of its proper divisors (9896555251).

76470622710221 is an equidigital number, since it uses as much as digits as its factorization.

76470622710221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9896555250.

The product of its (nonzero) digits is 790272, while the sum is 47.

The spelling of 76470622710221 in words is "seventy-six trillion, four hundred seventy billion, six hundred twenty-two million, seven hundred ten thousand, two hundred twenty-one".