6723572 has 6 divisors (see below), whose sum is σ = 11766258. Its totient is φ = 3361784.

The previous prime is 6723571. The next prime is 6723583. The reversal of 6723572 is 2753276.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4857616 + 1865956 = 2204^2 + 1366^2 .

It is a d-powerful number, because it can be written as 6⁶ + 7⁶ + 2⁸ + 3¹² + 5⁴ + 7⁸ + 2¹⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6723571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 840443 + ... + 840450.

It is an arithmetic number, because the mean of its divisors is an integer number (1961043).

Almost surely, 2^6723572 is an apocalyptic number.

It is an amenable number.

6723572 is a deficient number, since it is larger than the sum of its proper divisors (5042686).

6723572 is a wasteful number, since it uses less digits than its factorization.

6723572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680897 (or 1680895 counting only the distinct ones).

The product of its digits is 17640, while the sum is 32.

The square root of 6723572 is about 2592.9851522907. The cubic root of 6723572 is about 188.7411890102.

The spelling of 6723572 in words is "six million, seven hundred twenty-three thousand, five hundred seventy-two".