73798290 has 80 divisors (see below), whose sum is σ = 204906240. Its totient is φ = 19038240.

The previous prime is 73798273. The next prime is 73798331. The reversal of 73798290 is 9289737.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 23641 + ... + 26579.

It is an arithmetic number, because the mean of its divisors is an integer number (2561328).

Almost surely, 2^73798290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73798290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102453120).

73798290 is an abundant number, since it is smaller than the sum of its proper divisors (131107950).

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

73798290 is a wasteful number, since it uses less digits than its factorization.

73798290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2989 (or 2980 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 73798290 is about 8590.5931110721. The cubic root of 73798290 is about 419.4518358938.

It can be divided in two parts, 73798 and 290, that added together give a cube (74088 = 42³).

The spelling of 73798290 in words is "seventy-three million, seven hundred ninety-eight thousand, two hundred ninety".