1539072 has 66 divisors (see below), whose sum is σ = 4470648. Its totient is φ = 509952.

The previous prime is 1539053. The next prime is 1539073. The reversal of 1539072 is 2709351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1539073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9133 + ... + 9299.

2^1539072 is an apocalyptic number.

1539072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1539072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2235324).

1539072 is an abundant number, since it is smaller than the sum of its proper divisors (2931576).

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

1539072 is a wasteful number, since it uses less digits than its factorization.

1539072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 1539072 is about 1240.5934063987. The cubic root of 1539072 is about 115.4568343786.

The spelling of 1539072 in words is "one million, five hundred thirty-nine thousand, seventy-two".