76626220 has 48 divisors (see below), whose sum is σ = 176198400. Its totient is φ = 27760320.

The previous prime is 76626167. The next prime is 76626229. The reversal of 76626220 is 2262667.

It is not an unprimeable number, because it can be changed into a prime (76626229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82921 + ... + 83839.

It is an arithmetic number, because the mean of its divisors is an integer number (3670800).

Almost surely, 2^76626220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76626220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88099200).

76626220 is an abundant number, since it is smaller than the sum of its proper divisors (99572180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76626220 is a wasteful number, since it uses less digits than its factorization.

76626220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318 (or 1316 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 76626220 is about 8753.6403855767. The cubic root of 76626220 is about 424.7425799845.

Adding to 76626220 its reverse (2262667), we get a palindrome (78888887).

The spelling of 76626220 in words is "seventy-six million, six hundred twenty-six thousand, two hundred twenty".