8721374 has 16 divisors (see below), whose sum is σ = 13932000. Its totient is φ = 4080384.

The previous prime is 8721371. The next prime is 8721379. The reversal of 8721374 is 4731278.

It is a happy number.

8721374 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8721374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8721371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6122 + ... + 7410.

It is an arithmetic number, because the mean of its divisors is an integer number (870750).

Almost surely, 2^8721374 is an apocalyptic number.

8721374 is a deficient number, since it is larger than the sum of its proper divisors (5210626).

8721374 is a wasteful number, since it uses less digits than its factorization.

8721374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507.

The product of its digits is 9408, while the sum is 32.

The square root of 8721374 is about 2953.1972504389. The cubic root of 8721374 is about 205.8393034633.

The spelling of 8721374 in words is "eight million, seven hundred twenty-one thousand, three hundred seventy-four".