1816340734 has 8 divisors (see below), whose sum is σ = 2934088920. Its totient is φ = 838311096.

The previous prime is 1816340717. The next prime is 1816340737. The reversal of 1816340734 is 4370436181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1816340693 and 1816340702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1816340737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34929604 + ... + 34929655.

It is an arithmetic number, because the mean of its divisors is an integer number (366761115).

Almost surely, 2^1816340734 is an apocalyptic number.

1816340734 is a deficient number, since it is larger than the sum of its proper divisors (1117748186).

1816340734 is a wasteful number, since it uses less digits than its factorization.

1816340734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69859274.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 1816340734 is about 42618.5491775588. The cubic root of 1816340734 is about 1220.1103398366.

The spelling of 1816340734 in words is "one billion, eight hundred sixteen million, three hundred forty thousand, seven hundred thirty-four".