30174990 has 16 divisors (see below), whose sum is σ = 72420048. Its totient is φ = 8046656.

The previous prime is 30174979. The next prime is 30175001. The reversal of 30174990 is 9947103.

It is an interprime number because it is at equal distance from previous prime (30174979) and next prime (30175001).

It is a Curzon number.

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, 502887 + ... + 502946.

It is an arithmetic number, because the mean of its divisors is an integer number (4526253).

Almost surely, 2^30174990 is an apocalyptic number.

30174990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30174990 is an abundant number, since it is smaller than the sum of its proper divisors (42245058).

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

30174990 is a wasteful number, since it uses less digits than its factorization.

30174990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005843.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 30174990 is about 5493.1766765689. The cubic root of 30174990 is about 311.3262292926.

The spelling of 30174990 in words is "thirty million, one hundred seventy-four thousand, nine hundred ninety".