46571920 has 80 divisors (see below), whose sum is σ = 113564160. Its totient is φ = 17740800.

The previous prime is 46571909. The next prime is 46571927. The reversal of 46571920 is 2917564.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (46571927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220615 + ... + 220825.

It is an arithmetic number, because the mean of its divisors is an integer number (1419552).

Almost surely, 2^46571920 is an apocalyptic number.

46571920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46571920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56782080).

46571920 is an abundant number, since it is smaller than the sum of its proper divisors (66992240).

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

46571920 is a wasteful number, since it uses less digits than its factorization.

46571920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 46571920 is about 6824.3622412647. The cubic root of 46571920 is about 359.7836148194.

The spelling of 46571920 in words is "forty-six million, five hundred seventy-one thousand, nine hundred twenty".