73508 has 24 divisors (see below), whose sum is σ = 145152. Its totient is φ = 32384.

The previous prime is 73483. The next prime is 73517. The reversal of 73508 is 80537.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1541 + ... + 1587.

It is an arithmetic number, because the mean of its divisors is an integer number (6048).

2⁷³⁵⁰⁸ is an apocalyptic number.

It is an amenable number.

73508 is a deficient number, since it is larger than the sum of its proper divisors (71644).

73508 is a wasteful number, since it uses less digits than its factorization.

73508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 73508 is about 271.1235880553. The cubic root of 73508 is about 41.8901133536.

The spelling of 73508 in words is "seventy-three thousand, five hundred eight".