46668636 has 144 divisors (see below), whose sum is σ = 147580160. Its totient is φ = 12632112.

The previous prime is 46668623. The next prime is 46668637. The reversal of 46668636 is 63686664.

It is a super-2 number, since 2×46668636² = 4355923172200992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 46668591 and 46668600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46668637) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2456235 + ... + 2456253.

Almost surely, 2^46668636 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 46668636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73790080).

46668636 is an abundant number, since it is smaller than the sum of its proper divisors (100911524).

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

46668636 is an equidigital number, since it uses as much as digits as its factorization.

46668636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 31 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 46668636 is about 6831.4446495599. Note that the first 3 decimals coincide. The cubic root of 46668636 is about 360.0324970664.

The spelling of 46668636 in words is "forty-six million, six hundred sixty-eight thousand, six hundred thirty-six".