8740505 has 8 divisors (see below), whose sum is σ = 10527624. Its totient is φ = 6966400.

The previous prime is 8740493. The next prime is 8740517. The reversal of 8740505 is 5050478.

8740505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8740493) and next prime (8740517).

It can be written as a sum of positive squares in 4 ways, for example, as 120409 + 8620096 = 347^2 + 2936^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8740505 - 2¹⁰ = 8739481 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1706 + ... + 4515.

It is an arithmetic number, because the mean of its divisors is an integer number (1315953).

Almost surely, 2^8740505 is an apocalyptic number.

It is an amenable number.

8740505 is a deficient number, since it is larger than the sum of its proper divisors (1787119).

8740505 is a wasteful number, since it uses less digits than its factorization.

8740505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6507.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 8740505 is about 2956.4345079842. The cubic root of 8740505 is about 205.9897016249.

The spelling of 8740505 in words is "eight million, seven hundred forty thousand, five hundred five".