185073434 has 32 divisors (see below), whose sum is σ = 344736000. Its totient is φ = 72559872.

The previous prime is 185073431. The next prime is 185073443. The reversal of 185073434 is 434370581.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 185073394 and 185073403.

It is not an unprimeable number, because it can be changed into a prime (185073431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16067 + ... + 25065.

It is an arithmetic number, because the mean of its divisors is an integer number (10773000).

Almost surely, 2^185073434 is an apocalyptic number.

185073434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

185073434 is a deficient number, since it is larger than the sum of its proper divisors (159662566).

185073434 is a wasteful number, since it uses less digits than its factorization.

185073434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9134.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 185073434 is about 13604.1697284325. The cubic root of 185073434 is about 569.8773040515.

The spelling of 185073434 in words is "one hundred eighty-five million, seventy-three thousand, four hundred thirty-four".