46778628 has 96 divisors (see below), whose sum is σ = 128701440. Its totient is φ = 13086720.

The previous prime is 46778623. The next prime is 46778651. The reversal of 46778628 is 82687764.

46778628 is a nontrivial binomial coefficient, being equal to C(9673, 2).

It is not an unprimeable number, because it can be changed into a prime (46778623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81928 + ... + 82496.

It is an arithmetic number, because the mean of its divisors is an integer number (1340640).

Almost surely, 2^46778628 is an apocalyptic number.

46778628 is the 9672-nd triangular number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46778628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64350720).

46778628 is an abundant number, since it is smaller than the sum of its proper divisors (81922812).

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

46778628 is a wasteful number, since it uses less digits than its factorization.

46778628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 635 counting only the distinct ones).

The product of its digits is 903168, while the sum is 48.

The square root of 46778628 is about 6839.4903318888. The cubic root of 46778628 is about 360.3151253097.

The spelling of 46778628 in words is "forty-six million, seven hundred seventy-eight thousand, six hundred twenty-eight".