8145724 has 12 divisors (see below), whose sum is σ = 14335048. Its totient is φ = 4050000.

The previous prime is 8145713. The next prime is 8145727. The reversal of 8145724 is 4275418.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8145727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4902 + ... + 6349.

Almost surely, 2^8145724 is an apocalyptic number.

It is an amenable number.

8145724 is a deficient number, since it is larger than the sum of its proper divisors (6189324).

8145724 is a wasteful number, since it uses less digits than its factorization.

8145724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11436 (or 11434 counting only the distinct ones).

The product of its digits is 8960, while the sum is 31.

The square root of 8145724 is about 2854.0714777314. The cubic root of 8145724 is about 201.2070669576.

The spelling of 8145724 in words is "eight million, one hundred forty-five thousand, seven hundred twenty-four".