4073391946 has 8 divisors (see below), whose sum is σ = 6580094724. Its totient is φ = 1880027040.

The previous prime is 4073391941. The next prime is 4073391953. The reversal of 4073391946 is 6491933704.

4073391946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4030345225 + 43046721 = 63485^2 + 6561^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×4073391946³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4073391896 and 4073391905.

It is not an unprimeable number, because it can be changed into a prime (4073391941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78334435 + ... + 78334486.

Almost surely, 2^4073391946 is an apocalyptic number.

4073391946 is a deficient number, since it is larger than the sum of its proper divisors (2506702778).

4073391946 is a wasteful number, since it uses less digits than its factorization.

4073391946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156668936.

The product of its (nonzero) digits is 489888, while the sum is 46.

The square root of 4073391946 is about 63823.1301802097. The cubic root of 4073391946 is about 1597.0508102336.

The spelling of 4073391946 in words is "four billion, seventy-three million, three hundred ninety-one thousand, nine hundred forty-six".