7136642 has 6 divisors (see below), whose sum is σ = 10710633. Its totient is φ = 3566432.

The previous prime is 7136627. The next prime is 7136659. The reversal of 7136642 is 2466317.

It can be written as a sum of positive squares in 2 ways, for example, as 7134241 + 2401 = 2671^2 + 49^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1889.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2834 + ... + 4722.

Almost surely, 2^7136642 is an apocalyptic number.

7136642 is a deficient number, since it is larger than the sum of its proper divisors (3573991).

7136642 is an frugal number, since it uses more digits than its factorization.

7136642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3780 (or 1891 counting only the distinct ones).

The product of its digits is 6048, while the sum is 29.

The square root of 7136642 is about 2671.4494193228. The cubic root of 7136642 is about 192.5298047964.

The spelling of 7136642 in words is "seven million, one hundred thirty-six thousand, six hundred forty-two".