8040736 has 48 divisors (see below), whose sum is σ = 17635968. Its totient is φ = 3577600.

The previous prime is 8040727. The next prime is 8040757. The reversal of 8040736 is 6370408.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18441 + ... + 18871.

It is an arithmetic number, because the mean of its divisors is an integer number (367416).

Almost surely, 2^8040736 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 8040736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8817984).

8040736 is an abundant number, since it is smaller than the sum of its proper divisors (9595232).

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

8040736 is a wasteful number, since it uses less digits than its factorization.

8040736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 8040736 is about 2835.6191563748. The cubic root of 8040736 is about 200.3388921030.

The spelling of 8040736 in words is "eight million, forty thousand, seven hundred thirty-six".