1810672704 has 147 divisors (see below), whose sum is σ = 5414600677. Its totient is φ = 600493824.

The previous prime is 1810672651. The next prime is 1810672711. The reversal of 1810672704 is 4072760181.

The square root of 1810672704 is 42552.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1774094400 + 36578304 = 42120^2 + 6048^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 9191134 + ... + 9191330.

Almost surely, 2^1810672704 is an apocalyptic number.

1810672704 is the 42552-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1810672704

1810672704 is an abundant number, since it is smaller than the sum of its proper divisors (3603927973).

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

1810672704 is an frugal number, since it uses more digits than its factorization.

1810672704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The cubic root of 1810672704 is about 1218.8398682134.

Multiplying 1810672704 by its sum of digits (36), we get a square (65184217344 = 255312²).

1810672704 divided by its sum of digits (36) gives a square (50296464 = 7092²).

The spelling of 1810672704 in words is "one billion, eight hundred ten million, six hundred seventy-two thousand, seven hundred four".