1073818 has 4 divisors (see below), whose sum is σ = 1610730. Its totient is φ = 536908.

The previous prime is 1073803. The next prime is 1073819. The reversal of 1073818 is 8183701.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 717409 + 356409 = 847^2 + 597^2 .

It is not an unprimeable number, because it can be changed into a prime (1073819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268453 + ... + 268456.

2^1073818 is an apocalyptic number.

1073818 is a deficient number, since it is larger than the sum of its proper divisors (536912).

1073818 is an equidigital number, since it uses as much as digits as its factorization.

1073818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536911.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 1073818 is about 1036.2518998776. The cubic root of 1073818 is about 102.4024215126.

It can be divided in two parts, 1073 and 818, that added together give a triangular number (1891 = T₆₁).

The spelling of 1073818 in words is "one million, seventy-three thousand, eight hundred eighteen".