8740072 has 24 divisors (see below), whose sum is σ = 18014850. Its totient is φ = 3972320.

The previous prime is 8740037. The next prime is 8740087. The reversal of 8740072 is 2700478.

It can be written as a sum of positive squares in only one way, i.e., 4553956 + 4186116 = 2134^2 + 2046^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8740072.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3547 + ... + 5482.

Almost surely, 2^8740072 is an apocalyptic number.

It is an amenable number.

8740072 is an abundant number, since it is smaller than the sum of its proper divisors (9274778).

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

8740072 is a wasteful number, since it uses less digits than its factorization.

8740072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9057 (or 9042 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 8740072 is about 2956.3612769755. The cubic root of 8740072 is about 205.9863000284.

The spelling of 8740072 in words is "eight million, seven hundred forty thousand, seventy-two".