30497430 has 16 divisors (see below), whose sum is σ = 73193904. Its totient is φ = 8132640.

The previous prime is 30497417. The next prime is 30497431. The reversal of 30497430 is 3479403.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1016581 = 30497430 / (3 + 0 + 4 + 9 + 7 + 4 + 3 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30497431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508261 + ... + 508320.

It is an arithmetic number, because the mean of its divisors is an integer number (4574619).

Almost surely, 2^30497430 is an apocalyptic number.

30497430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30497430 is an abundant number, since it is smaller than the sum of its proper divisors (42696474).

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

30497430 is a wasteful number, since it uses less digits than its factorization.

30497430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016591.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 30497430 is about 5522.4478268246. The cubic root of 30497430 is about 312.4312125930.

The spelling of 30497430 in words is "thirty million, four hundred ninety-seven thousand, four hundred thirty".