6662542 has 16 divisors (see below), whose sum is σ = 10280592. Its totient is φ = 3237120.

The previous prime is 6662533. The next prime is 6662543. The reversal of 6662542 is 2452666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6662543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11553 + ... + 12115.

It is an arithmetic number, because the mean of its divisors is an integer number (642537).

Almost surely, 2^6662542 is an apocalyptic number.

6662542 is a deficient number, since it is larger than the sum of its proper divisors (3618050).

6662542 is a wasteful number, since it uses less digits than its factorization.

6662542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723.

The product of its digits is 17280, while the sum is 31.

The square root of 6662542 is about 2581.1900356231. The cubic root of 6662542 is about 188.1683831692.

The spelling of 6662542 in words is "six million, six hundred sixty-two thousand, five hundred forty-two".