73339890 has 64 divisors (see below), whose sum is σ = 190826496. Its totient is φ = 17932032.

The previous prime is 73339823. The next prime is 73339909. The reversal of 73339890 is 9893337.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66927 + ... + 68013.

It is an arithmetic number, because the mean of its divisors is an integer number (2981664).

Almost surely, 2^73339890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73339890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95413248).

73339890 is an abundant number, since it is smaller than the sum of its proper divisors (117486606).

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

73339890 is a wasteful number, since it uses less digits than its factorization.

73339890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 73339890 is about 8563.8712040759. The cubic root of 73339890 is about 418.5815528031.

The spelling of 73339890 in words is "seventy-three million, three hundred thirty-nine thousand, eight hundred ninety".