76677220 has 24 divisors (see below), whose sum is σ = 164062584. Its totient is φ = 30091776.

The previous prime is 76677199. The next prime is 76677253. The reversal of 76677220 is 2277667.

It can be written as a sum of positive squares in 4 ways, for example, as 7986276 + 68690944 = 2826^2 + 8288^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 76677220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35109 + ... + 37228.

It is an arithmetic number, because the mean of its divisors is an integer number (6835941).

Almost surely, 2^76677220 is an apocalyptic number.

It is an amenable number.

76677220 is an abundant number, since it is smaller than the sum of its proper divisors (87385364).

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

76677220 is a wasteful number, since it uses less digits than its factorization.

76677220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72399 (or 72397 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 76677220 is about 8756.5529747727. The cubic root of 76677220 is about 424.8367908501.

The spelling of 76677220 in words is "seventy-six million, six hundred seventy-seven thousand, two hundred twenty".