30873258 has 96 divisors (see below), whose sum is σ = 79056000. Its totient is φ = 8895744.

The previous prime is 30873253. The next prime is 30873263. The reversal of 30873258 is 85237803.

It is an interprime number because it is at equal distance from previous prime (30873253) and next prime (30873263).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (30873253) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 155043 + ... + 155241.

It is an arithmetic number, because the mean of its divisors is an integer number (823500).

Almost surely, 2^30873258 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30873258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39528000).

30873258 is an abundant number, since it is smaller than the sum of its proper divisors (48182742).

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

30873258 is a wasteful number, since it uses less digits than its factorization.

30873258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 30873258 is about 5556.3709379414. The cubic root of 30873258 is about 313.7093677110.

The spelling of 30873258 in words is "thirty million, eight hundred seventy-three thousand, two hundred fifty-eight".