8132742 has 24 divisors (see below), whose sum is σ = 17760600. Its totient is φ = 2689440.

The previous prime is 8132713. The next prime is 8132743. The reversal of 8132742 is 2472318.

It is a super-2 number, since 2×8132742² = 132282984877128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8132743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 634 + ... + 4082.

It is an arithmetic number, because the mean of its divisors is an integer number (740025).

Almost surely, 2^8132742 is an apocalyptic number.

8132742 is an abundant number, since it is smaller than the sum of its proper divisors (9627858).

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

8132742 is a wasteful number, since it uses less digits than its factorization.

8132742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3588 (or 3585 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 8132742 is about 2851.7962760338. The cubic root of 8132742 is about 201.1001209079.

It can be divided in two parts, 81 and 32742, that added together give a palindrome (32823).

The spelling of 8132742 in words is "eight million, one hundred thirty-two thousand, seven hundred forty-two".