46778412 has 36 divisors (see below), whose sum is σ = 114117080. Its totient is φ = 14912832.

The previous prime is 46778393. The next prime is 46778419. The reversal of 46778412 is 21487764.

It is not an unprimeable number, because it can be changed into a prime (46778419) 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 11 ways as a sum of consecutive naturals, for example, 2664 + ... + 10032.

Almost surely, 2^46778412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46778412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57058540).

46778412 is an abundant number, since it is smaller than the sum of its proper divisors (67338668).

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

46778412 is a wasteful number, since it uses less digits than its factorization.

46778412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7422 (or 7397 counting only the distinct ones).

The product of its digits is 75264, while the sum is 39.

The square root of 46778412 is about 6839.4745412203. The cubic root of 46778412 is about 360.3145707247.

The spelling of 46778412 in words is "forty-six million, seven hundred seventy-eight thousand, four hundred twelve".