30754986 has 16 divisors (see below), whose sum is σ = 62252064. Its totient is φ = 10127984.

The previous prime is 30754981. The next prime is 30754991. The reversal of 30754986 is 68945703.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30754981) and next prime (30754991).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (30754981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30381 + ... + 31376.

It is an arithmetic number, because the mean of its divisors is an integer number (3890754).

Almost surely, 2^30754986 is an apocalyptic number.

30754986 is an abundant number, since it is smaller than the sum of its proper divisors (31497078).

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

30754986 is a wasteful number, since it uses less digits than its factorization.

30754986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61845.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 30754986 is about 5545.7178074619. The cubic root of 30754986 is about 313.3082599020.

The spelling of 30754986 in words is "thirty million, seven hundred fifty-four thousand, nine hundred eighty-six".