2078390732 has 12 divisors (see below), whose sum is σ = 3967836936. Its totient is φ = 944723040.

The previous prime is 2078390711. The next prime is 2078390747. The reversal of 2078390732 is 2370938702.

It is a self number, because there is not a number n which added to its sum of digits gives 2078390732.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23618033 + ... + 23618120.

It is an arithmetic number, because the mean of its divisors is an integer number (330653078).

Almost surely, 2^2078390732 is an apocalyptic number.

2078390732 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2078390732 is a deficient number, since it is larger than the sum of its proper divisors (1889446204).

2078390732 is a wasteful number, since it uses less digits than its factorization.

2078390732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47236168 (or 47236166 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 2078390732 is about 45589.3708225942. The cubic root of 2078390732 is about 1276.1715709914.

The spelling of 2078390732 in words is "two billion, seventy-eight million, three hundred ninety thousand, seven hundred thirty-two".