4073399978 has 16 divisors (see below), whose sum is σ = 6172532520. Its totient is φ = 2015928000.

The previous prime is 4073399963. The next prime is 4073399983. The reversal of 4073399978 is 8799933704.

It can be written as a sum of positive squares in 4 ways, for example, as 2829920809 + 1243479169 = 53197^2 + 35263^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213428 + ... + 231728.

Almost surely, 2^4073399978 is an apocalyptic number.

4073399978 is a deficient number, since it is larger than the sum of its proper divisors (2099132542).

4073399978 is a wasteful number, since it uses less digits than its factorization.

4073399978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19433.

The product of its (nonzero) digits is 10287648, while the sum is 59.

The square root of 4073399978 is about 63823.1931040746. The cubic root of 4073399978 is about 1597.0518599324.

The spelling of 4073399978 in words is "four billion, seventy-three million, three hundred ninety-nine thousand, nine hundred seventy-eight".