8537742 has 12 divisors (see below), whose sum is σ = 18498480. Its totient is φ = 2845908.

The previous prime is 8537731. The next prime is 8537747. The reversal of 8537742 is 2477358.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8537697 and 8537706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8537747) 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, 237142 + ... + 237177.

It is an arithmetic number, because the mean of its divisors is an integer number (1541540).

Almost surely, 2^8537742 is an apocalyptic number.

8537742 is an abundant number, since it is smaller than the sum of its proper divisors (9960738).

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

8537742 is a wasteful number, since it uses less digits than its factorization.

8537742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474327 (or 474324 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 8537742 is about 2921.9414778534. The cubic root of 8537742 is about 204.3843676092.

It can be divided in two parts, 853774 and 2, that added together give a square (853776 = 924²).

The spelling of 8537742 in words is "eight million, five hundred thirty-seven thousand, seven hundred forty-two".