4706640 has 80 divisors (see below), whose sum is σ = 16219200. Its totient is φ = 1254528.

The previous prime is 4706633. The next prime is 4706657. The reversal of 4706640 is 466074.

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

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1071 + ... + 3249.

It is an arithmetic number, because the mean of its divisors is an integer number (202740).

Almost surely, 2^4706640 is an apocalyptic number.

4706640 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 4706640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8109600).

4706640 is an abundant number, since it is smaller than the sum of its proper divisors (11512560).

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

4706640 is a wasteful number, since it uses less digits than its factorization.

4706640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201 (or 2189 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 4706640 is about 2169.4792001769. The cubic root of 4706640 is about 167.5857139089.

The spelling of 4706640 in words is "four million, seven hundred six thousand, six hundred forty".