72104258 has 8 divisors (see below), whose sum is σ = 109459728. Its totient is φ = 35617684.

The previous prime is 72104239. The next prime is 72104269. The reversal of 72104258 is 85240127.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 72104258.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217016 + ... + 217347.

It is an arithmetic number, because the mean of its divisors is an integer number (13682466).

Almost surely, 2^72104258 is an apocalyptic number.

72104258 is a deficient number, since it is larger than the sum of its proper divisors (37355470).

72104258 is a wasteful number, since it uses less digits than its factorization.

72104258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434448.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 72104258 is about 8491.4226134376. The cubic root of 72104258 is about 416.2174690434.

The spelling of 72104258 in words is "seventy-two million, one hundred four thousand, two hundred fifty-eight".