4156572 has 36 divisors (see below), whose sum is σ = 11283720. Its totient is φ = 1187424.

The previous prime is 4156571. The next prime is 4156589. The reversal of 4156572 is 2756514.

It is a d-powerful number, because it can be written as 4⁹ + 1 + 5 + 6⁸ + 5 + 7⁶ + 2²¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4156571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2947 + ... + 4122.

Almost surely, 2^4156572 is an apocalyptic number.

4156572 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4156572 is an abundant number, since it is smaller than the sum of its proper divisors (7127148).

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

4156572 is a wasteful number, since it uses less digits than its factorization.

4156572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7090 (or 7081 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 4156572 is about 2038.7672746049. The cubic root of 4156572 is about 160.7848417681.

The spelling of 4156572 in words is "four million, one hundred fifty-six thousand, five hundred seventy-two".