4457706 has 64 divisors (see below), whose sum is σ = 10730880. Its totient is φ = 1218560.

The previous prime is 4457693. The next prime is 4457729. The reversal of 4457706 is 6077544.

It is a super-2 number, since 2×4457706² = 39742285564872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32470 + ... + 32606.

It is an arithmetic number, because the mean of its divisors is an integer number (167670).

Almost surely, 2^4457706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4457706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5365440).

4457706 is an abundant number, since it is smaller than the sum of its proper divisors (6273174).

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

4457706 is a wasteful number, since it uses less digits than its factorization.

4457706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 4457706 is about 2111.3280180967. The cubic root of 4457706 is about 164.5775049513.

The spelling of 4457706 in words is "four million, four hundred fifty-seven thousand, seven hundred six".