6997572 has 18 divisors (see below), whose sum is σ = 17688398. Its totient is φ = 2332512.

The previous prime is 6997559. The next prime is 6997579. The reversal of 6997572 is 2757996.

It can be written as a sum of positive squares in only one way, i.e., 3779136 + 3218436 = 1944^2 + 1794^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6997579) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 97153 + ... + 97224.

Almost surely, 2^6997572 is an apocalyptic number.

It is an amenable number.

6997572 is an abundant number, since it is smaller than the sum of its proper divisors (10690826).

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

6997572 is a wasteful number, since it uses less digits than its factorization.

6997572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194387 (or 194382 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 6997572 is about 2645.2924223987. The cubic root of 6997572 is about 191.2709985914.

It can be divided in two parts, 6997 and 572, that added together give a square (7569 = 87²).

The spelling of 6997572 in words is "six million, nine hundred ninety-seven thousand, five hundred seventy-two".