1836320073 has 32 divisors (see below), whose sum is σ = 2843688960. Its totient is φ = 1032333120.

The previous prime is 1836320053. The next prime is 1836320081. The reversal of 1836320073 is 3700236381.

It is not a de Polignac number, because 1836320073 - 2⁹ = 1836319561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1836320053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 904023 + ... + 906051.

It is an arithmetic number, because the mean of its divisors is an integer number (88865280).

Almost surely, 2^1836320073 is an apocalyptic number.

It is an amenable number.

1836320073 is a deficient number, since it is larger than the sum of its proper divisors (1007368887).

1836320073 is a wasteful number, since it uses less digits than its factorization.

1836320073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 1836320073 is about 42852.3053405531. The cubic root of 1836320073 is about 1224.5676826277.

The spelling of 1836320073 in words is "one billion, eight hundred thirty-six million, three hundred twenty thousand, seventy-three".