76011220 has 24 divisors (see below), whose sum is σ = 163021824. Its totient is φ = 29757216.

The previous prime is 76011197. The next prime is 76011223. The reversal of 76011220 is 2211067.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76011223) 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, 39492 + ... + 41371.

It is an arithmetic number, because the mean of its divisors is an integer number (6792576).

Almost surely, 2^76011220 is an apocalyptic number.

It is an amenable number.

76011220 is an abundant number, since it is smaller than the sum of its proper divisors (87010604).

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

76011220 is a wasteful number, since it uses less digits than its factorization.

76011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80919 (or 80917 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 76011220 is about 8718.4413744660. The cubic root of 76011220 is about 423.6032021106.

Adding to 76011220 its reverse (2211067), we get a palindrome (78222287).

The spelling of 76011220 in words is "seventy-six million, eleven thousand, two hundred twenty".