• 3576² = 12787776 is the smallest square that contains exactly four digits '7'.

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3576 has 16 divisors (see below), whose sum is σ = 9000. Its totient is φ = 1184.

The previous prime is 3571. The next prime is 3581. The reversal of 3576 is 6753.

3576 is nontrivially palindromic in base 5.

It is an interprime number because it is at equal distance from previous prime (3571) and next prime (3581).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3571) by changing a digit.

3576 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51 + ... + 98.

2³⁵⁷⁶ is an apocalyptic number.

It is an amenable number.

3576 is an abundant number, since it is smaller than the sum of its proper divisors (5424).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4500).

3576 is a wasteful number, since it uses less digits than its factorization.

3576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 154 counting only the distinct ones).

The product of its digits is 630, while the sum is 21.

The square root of 3576 is about 59.7996655509. The cubic root of 3576 is about 15.2920544844.

It can be divided in two parts, 357 and 6, that added together give a palindrome (363).

The spelling of 3576 in words is "three thousand, five hundred seventy-six".