73290838 has 16 divisors (see below), whose sum is σ = 112291920. Its totient is φ = 35863776.

The previous prime is 73290823. The next prime is 73290839. The reversal of 73290838 is 83809237.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 73290838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73290839) 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 7 ways as a sum of consecutive naturals, for example, 65056 + ... + 66172.

It is an arithmetic number, because the mean of its divisors is an integer number (7018245).

Almost surely, 2^73290838 is an apocalyptic number.

73290838 is a deficient number, since it is larger than the sum of its proper divisors (39001082).

73290838 is a wasteful number, since it uses less digits than its factorization.

73290838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 73290838 is about 8561.0068333111. The cubic root of 73290838 is about 418.4882118688.

The spelling of 73290838 in words is "seventy-three million, two hundred ninety thousand, eight hundred thirty-eight".