1806734464 has 16 divisors (see below), whose sum is σ = 3599354070. Its totient is φ = 903367168.

The previous prime is 1806734459. The next prime is 1806734497. The reversal of 1806734464 is 4644376081.

It can be written as a sum of positive squares in only one way, i.e., 907214400 + 899520064 = 30120^2 + 29992^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 1806734464.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7057429 + ... + 7057684.

Almost surely, 2^1806734464 is an apocalyptic number.

It is an amenable number.

1806734464 is a deficient number, since it is larger than the sum of its proper divisors (1792619606).

1806734464 is an equidigital number, since it uses as much as digits as its factorization.

1806734464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14115127 (or 14115115 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

The square root of 1806734464 is about 42505.6991943433. The cubic root of 1806734464 is about 1217.9555618434.

The spelling of 1806734464 in words is "one billion, eight hundred six million, seven hundred thirty-four thousand, four hundred sixty-four".