73490 has 8 divisors (see below), whose sum is σ = 132300. Its totient is φ = 29392.

The previous prime is 73483. The next prime is 73517. The reversal of 73490 is 9437.

It can be written as a sum of positive squares in 2 ways, for example, as 73441 + 49 = 271^2 + 7^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

73490 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3665 + ... + 3684.

2⁷³⁴⁹⁰ is an apocalyptic number.

73490 is a deficient number, since it is larger than the sum of its proper divisors (58810).

73490 is a wasteful number, since it uses less digits than its factorization.

73490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7356.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 73490 is about 271.0903908293. The cubic root of 73490 is about 41.8866938456.

The spelling of 73490 in words is "seventy-three thousand, four hundred ninety".