73398090 has 16 divisors (see below), whose sum is σ = 176155488. Its totient is φ = 19572816.

The previous prime is 73398089. The next prime is 73398097. The reversal of 73398090 is 9089337.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (73398097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1223272 + ... + 1223331.

It is an arithmetic number, because the mean of its divisors is an integer number (11009718).

Almost surely, 2^73398090 is an apocalyptic number.

73398090 is an abundant number, since it is smaller than the sum of its proper divisors (102757398).

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

73398090 is a wasteful number, since it uses less digits than its factorization.

73398090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446613.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 73398090 is about 8567.2685261990. The cubic root of 73398090 is about 418.6922474746.

The spelling of 73398090 in words is "seventy-three million, three hundred ninety-eight thousand, ninety".