79003820 has 24 divisors (see below), whose sum is σ = 189609504. Its totient is φ = 27086976.

The previous prime is 79003789. The next prime is 79003829. The reversal of 79003820 is 2830097.

It is not an unprimeable number, because it can be changed into a prime (79003829) by changing a digit.

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, 282017 + ... + 282296.

It is an arithmetic number, because the mean of its divisors is an integer number (7900396).

Almost surely, 2^79003820 is an apocalyptic number.

79003820 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

79003820 is an abundant number, since it is smaller than the sum of its proper divisors (110605684).

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

79003820 is a wasteful number, since it uses less digits than its factorization.

79003820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564329 (or 564327 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 79003820 is about 8888.4093065070. The cubic root of 79003820 is about 429.0909586293.

The spelling of 79003820 in words is "seventy-nine million, three thousand, eight hundred twenty".