73730806 has 4 divisors (see below), whose sum is σ = 110596212. Its totient is φ = 36865402.

The previous prime is 73730777. The next prime is 73730821. The reversal of 73730806 is 60803737.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60803737 = 2393 ⋅25409.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18432700 + ... + 18432703.

It is an arithmetic number, because the mean of its divisors is an integer number (27649053).

Almost surely, 2^73730806 is an apocalyptic number.

73730806 is a deficient number, since it is larger than the sum of its proper divisors (36865406).

73730806 is a wasteful number, since it uses less digits than its factorization.

73730806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36865405.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 73730806 is about 8586.6644280535. The cubic root of 73730806 is about 419.3239425953.

The spelling of 73730806 in words is "seventy-three million, seven hundred thirty thousand, eight hundred six".