76822240 has 48 divisors (see below), whose sum is σ = 197996400. Its totient is φ = 27934720.

The previous prime is 76822237. The next prime is 76822253. The reversal of 76822240 is 4222867.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20065 + ... + 23584.

It is an arithmetic number, because the mean of its divisors is an integer number (4124925).

Almost surely, 2^76822240 is an apocalyptic number.

It is an amenable number.

76822240 is an abundant number, since it is smaller than the sum of its proper divisors (121174160).

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

76822240 is a wasteful number, since it uses less digits than its factorization.

76822240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43675 (or 43667 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 76822240 is about 8764.8297188251. The cubic root of 76822240 is about 425.1044541412.

It can be divided in two parts, 768222 and 40, that multiplied together give a triangular number (30728880 = T₇₈₃₉).

The spelling of 76822240 in words is "seventy-six million, eight hundred twenty-two thousand, two hundred forty".