73819930 has 32 divisors (see below), whose sum is σ = 135717120. Its totient is φ = 28902720.

The previous prime is 73819919. The next prime is 73819931. The reversal of 73819930 is 3991837.

It is not an unprimeable number, because it can be changed into a prime (73819931) 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 15 ways as a sum of consecutive naturals, for example, 159900 + ... + 160360.

It is an arithmetic number, because the mean of its divisors is an integer number (4241160).

Almost surely, 2^73819930 is an apocalyptic number.

73819930 is a deficient number, since it is larger than the sum of its proper divisors (61897190).

73819930 is a wasteful number, since it uses less digits than its factorization.

73819930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 73819930 is about 8591.8525359785. The cubic root of 73819930 is about 419.4928307491.

The spelling of 73819930 in words is "seventy-three million, eight hundred nineteen thousand, nine hundred thirty".