76322540 has 24 divisors (see below), whose sum is σ = 183174432. Its totient is φ = 26167680.

The previous prime is 76322539. The next prime is 76322593. The reversal of 76322540 is 4522367.

It is a super-3 number, since 3×76322540³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272441 + ... + 272720.

It is an arithmetic number, because the mean of its divisors is an integer number (7632268).

Almost surely, 2^76322540 is an apocalyptic number.

76322540 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

76322540 is an abundant number, since it is smaller than the sum of its proper divisors (106851892).

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

76322540 is a wasteful number, since it uses less digits than its factorization.

76322540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545177 (or 545175 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 76322540 is about 8736.2772391906. The cubic root of 76322540 is about 424.1807331436.

The spelling of 76322540 in words is "seventy-six million, three hundred twenty-two thousand, five hundred forty".