8074140 has 48 divisors (see below), whose sum is σ = 23224992. Its totient is φ = 2094336.

The previous prime is 8074139. The next prime is 8074147. The reversal of 8074140 is 414708.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 8074140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8074147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402 + ... + 4038.

It is an arithmetic number, because the mean of its divisors is an integer number (483854).

Almost surely, 2^8074140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8074140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11612496).

8074140 is an abundant number, since it is smaller than the sum of its proper divisors (15150852).

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

8074140 is a wasteful number, since it uses less digits than its factorization.

8074140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3686 (or 3684 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 8074140 is about 2841.5031233486. The cubic root of 8074140 is about 200.6159345095.

Adding to 8074140 its reverse (414708), we get a palindrome (8488848).

The spelling of 8074140 in words is "eight million, seventy-four thousand, one hundred forty".