1072724 has 24 divisors (see below), whose sum is σ = 1994496. Its totient is φ = 504000.

The previous prime is 1072711. The next prime is 1072733. The reversal of 1072724 is 4272701.

It is a self number, because there is not a number n which added to its sum of digits gives 1072724.

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, 4979 + ... + 5189.

It is an arithmetic number, because the mean of its divisors is an integer number (83104).

2^1072724 is an apocalyptic number.

It is an amenable number.

1072724 is a deficient number, since it is larger than the sum of its proper divisors (921772).

1072724 is a wasteful number, since it uses less digits than its factorization.

1072724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 1072724 is about 1035.7239014332. The cubic root of 1072724 is about 102.3676340174.

Subtracting from 1072724 its sum of digits (23), we obtain a palindrome (1072701).

The spelling of 1072724 in words is "one million, seventy-two thousand, seven hundred twenty-four".