46664478 has 64 divisors (see below), whose sum is σ = 121443840. Its totient is φ = 13003200.

The previous prime is 46664477. The next prime is 46664479. The reversal of 46664478 is 87446664.

It is an interprime number because it is at equal distance from previous prime (46664477) and next prime (46664479).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46664477) 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 31 ways as a sum of consecutive naturals, for example, 13993 + ... + 17003.

It is an arithmetic number, because the mean of its divisors is an integer number (1897560).

Almost surely, 2^46664478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46664478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60721920).

46664478 is an abundant number, since it is smaller than the sum of its proper divisors (74779362).

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

46664478 is a wasteful number, since it uses less digits than its factorization.

46664478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070 (or 3064 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 46664478 is about 6831.1403147644. The cubic root of 46664478 is about 360.0218042349.

The spelling of 46664478 in words is "forty-six million, six hundred sixty-four thousand, four hundred seventy-eight".