73730434 has 8 divisors (see below), whose sum is σ = 111610620. Its totient is φ = 36526896.

The previous prime is 73730429. The next prime is 73730453. The reversal of 73730434 is 43403737.

It can be written as a sum of positive squares in 2 ways, for example, as 73530625 + 199809 = 8575^2 + 447^2 .

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 = 73730396 and 73730405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168889 + ... + 169324.

Almost surely, 2^73730434 is an apocalyptic number.

73730434 is a deficient number, since it is larger than the sum of its proper divisors (37880186).

73730434 is a wasteful number, since it uses less digits than its factorization.

73730434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338324.

The product of its (nonzero) digits is 21168, while the sum is 31.

The square root of 73730434 is about 8586.6427665299. The cubic root of 73730434 is about 419.3232373778.

The spelling of 73730434 in words is "seventy-three million, seven hundred thirty thousand, four hundred thirty-four".