1872704 has 28 divisors (see below), whose sum is σ = 3848100. Its totient is φ = 903168.

The previous prime is 1872691. The next prime is 1872713. The reversal of 1872704 is 4072781.

It can be written as a sum of positive squares in 2 ways, for example, as 774400 + 1098304 = 880^2 + 1048^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1352 + ... + 2360.

2^1872704 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 1872704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1924050).

1872704 is an abundant number, since it is smaller than the sum of its proper divisors (1975396).

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

1872704 is a wasteful number, since it uses less digits than its factorization.

1872704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050 (or 1040 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 1872704 is about 1368.4677562880. The cubic root of 1872704 is about 123.2602505097.

The spelling of 1872704 in words is "one million, eight hundred seventy-two thousand, seven hundred four".