30874471 has 4 divisors (see below), whose sum is σ = 31335352. Its totient is φ = 30413592.

The previous prime is 30874469. The next prime is 30874483. The reversal of 30874471 is 17447803.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30874471 - 2¹ = 30874469 is a prime.

It is a super-3 number, since 3×30874471³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30874871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230340 + ... + 230473.

It is an arithmetic number, because the mean of its divisors is an integer number (7833838).

Almost surely, 2^30874471 is an apocalyptic number.

30874471 is a deficient number, since it is larger than the sum of its proper divisors (460881).

30874471 is an equidigital number, since it uses as much as digits as its factorization.

30874471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460880.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 30874471 is about 5556.4800908489. The cubic root of 30874471 is about 313.7134761693.

The spelling of 30874471 in words is "thirty million, eight hundred seventy-four thousand, four hundred seventy-one".