73803730 has 128 divisors (see below), whose sum is σ = 182601216. Its totient is φ = 20736000.

The previous prime is 73803713. The next prime is 73803739. The reversal of 73803730 is 3730837.

It is a junction number, because it is equal to n+sod(n) for n = 73803692 and 73803701.

It is not an unprimeable number, because it can be changed into a prime (73803739) by changing a digit.

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 in 63 ways as a sum of consecutive naturals, for example, 730680 + ... + 730780.

It is an arithmetic number, because the mean of its divisors is an integer number (1426572).

Almost surely, 2^73803730 is an apocalyptic number.

73803730 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

73803730 is an abundant number, since it is smaller than the sum of its proper divisors (108797486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73803730 is a wasteful number, since it uses less digits than its factorization.

73803730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 73803730 is about 8590.9097306397. The cubic root of 73803730 is about 419.4621421937.

The spelling of 73803730 in words is "seventy-three million, eight hundred three thousand, seven hundred thirty".