73195290 has 96 divisors (see below), whose sum is σ = 218889216. Its totient is φ = 16623360.

The previous prime is 73195271. The next prime is 73195321. The reversal of 73195290 is 9259137.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 140230 + ... + 140750.

It is an arithmetic number, because the mean of its divisors is an integer number (2280096).

Almost surely, 2^73195290 is an apocalyptic number.

73195290 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 73195290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109444608).

73195290 is an abundant number, since it is smaller than the sum of its proper divisors (145693926).

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

73195290 is a wasteful number, since it uses less digits than its factorization.

73195290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764 (or 761 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 73195290 is about 8555.4245949573. The cubic root of 73195290 is about 418.3062741643.

The spelling of 73195290 in words is "seventy-three million, one hundred ninety-five thousand, two hundred ninety".