30474725 has 6 divisors (see below), whose sum is σ = 37788690. Its totient is φ = 24379760.

The previous prime is 30474683. The next prime is 30474751. The reversal of 30474725 is 52747403.

It can be written as a sum of positive squares in 3 ways, for example, as 2775556 + 27699169 = 1666^2 + 5263^2 .

It is not a de Polignac number, because 30474725 - 2¹⁴ = 30458341 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30474691 and 30474700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 609470 + ... + 609519.

It is an arithmetic number, because the mean of its divisors is an integer number (6298115).

Almost surely, 2^30474725 is an apocalyptic number.

It is an amenable number.

30474725 is a deficient number, since it is larger than the sum of its proper divisors (7313965).

30474725 is a wasteful number, since it uses less digits than its factorization.

30474725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218999 (or 1218994 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 30474725 is about 5520.3917433458. The cubic root of 30474725 is about 312.3536594809.

The spelling of 30474725 in words is "thirty million, four hundred seventy-four thousand, seven hundred twenty-five".