6572740 has 12 divisors (see below), whose sum is σ = 13802796. Its totient is φ = 2629088.

The previous prime is 6572737. The next prime is 6572743. The reversal of 6572740 is 472756.

It is an interprime number because it is at equal distance from previous prime (6572737) and next prime (6572743).

It can be written as a sum of positive squares in 2 ways, for example, as 4334724 + 2238016 = 2082^2 + 1496^2 .

It is a super-2 number, since 2×6572740² = 86401822215200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6572743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164299 + ... + 164338.

It is an arithmetic number, because the mean of its divisors is an integer number (1150233).

Almost surely, 2^6572740 is an apocalyptic number.

It is an amenable number.

6572740 is an abundant number, since it is smaller than the sum of its proper divisors (7230056).

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

6572740 is a wasteful number, since it uses less digits than its factorization.

6572740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328646 (or 328644 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 6572740 is about 2563.7355557857. The cubic root of 6572740 is about 187.3191381901.

The spelling of 6572740 in words is "six million, five hundred seventy-two thousand, seven hundred forty".