8149734 has 48 divisors (see below), whose sum is σ = 18804240. Its totient is φ = 2643840.

The previous prime is 8149733. The next prime is 8149741. The reversal of 8149734 is 4379418.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8149733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19722 + ... + 20130.

It is an arithmetic number, because the mean of its divisors is an integer number (391755).

Almost surely, 2^8149734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8149734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9402120).

8149734 is an abundant number, since it is smaller than the sum of its proper divisors (10654506).

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

8149734 is a wasteful number, since it uses less digits than its factorization.

8149734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 455 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 8149734 is about 2854.7738964759. The cubic root of 8149734 is about 201.2400784687.

The spelling of 8149734 in words is "eight million, one hundred forty-nine thousand, seven hundred thirty-four".