46378018 has 8 divisors (see below), whose sum is σ = 71965980. Its totient is φ = 22389360.

The previous prime is 46378009. The next prime is 46378067. The reversal of 46378018 is 81087364.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 42680089 + 3697929 = 6533^2 + 1923^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 399753 + ... + 399868.

Almost surely, 2^46378018 is an apocalyptic number.

46378018 is a deficient number, since it is larger than the sum of its proper divisors (25587962).

46378018 is a wasteful number, since it uses less digits than its factorization.

46378018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799652.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 46378018 is about 6810.1408208641. The cubic root of 46378018 is about 359.2836010339.

The spelling of 46378018 in words is "forty-six million, three hundred seventy-eight thousand, eighteen".