1927072 has 36 divisors (see below), whose sum is σ = 4416930. Its totient is φ = 825216.

The previous prime is 1927067. The next prime is 1927073. The reversal of 1927072 is 2707291.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1073296 + 853776 = 1036^2 + 924^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1927072.

It is not an unprimeable number, because it can be changed into a prime (1927073) by changing a digit.

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, 954 + ... + 2182.

2^1927072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1927072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2208465).

1927072 is an abundant number, since it is smaller than the sum of its proper divisors (2489858).

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

1927072 is a wasteful number, since it uses less digits than its factorization.

1927072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253 (or 1238 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 1927072 is about 1388.1901886989. The cubic root of 1927072 is about 124.4417129030.

The spelling of 1927072 in words is "one million, nine hundred twenty-seven thousand, seventy-two".