76266820 has 48 divisors (see below), whose sum is σ = 188955648. Its totient is φ = 25303680.

The previous prime is 76266809. The next prime is 76266829. The reversal of 76266820 is 2866267.

It is a self number, because there is not a number n which added to its sum of digits gives 76266820.

It is not an unprimeable number, because it can be changed into a prime (76266829) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4447 + ... + 13126.

It is an arithmetic number, because the mean of its divisors is an integer number (3936576).

Almost surely, 2^76266820 is an apocalyptic number.

76266820 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

76266820 is an abundant number, since it is smaller than the sum of its proper divisors (112688828).

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

76266820 is a wasteful number, since it uses less digits than its factorization.

76266820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17620 (or 17618 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 76266820 is about 8733.0876555775. The cubic root of 76266820 is about 424.0774822799.

The spelling of 76266820 in words is "seventy-six million, two hundred sixty-six thousand, eight hundred twenty".