30742430 has 8 divisors (see below), whose sum is σ = 55336392. Its totient is φ = 12296968.

The previous prime is 30742427. The next prime is 30742433. The reversal of 30742430 is 3424703.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30742427) and next prime (30742433).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 30742396 and 30742405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30742433) 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, 1537112 + ... + 1537131.

It is an arithmetic number, because the mean of its divisors is an integer number (6917049).

Almost surely, 2^30742430 is an apocalyptic number.

30742430 is a deficient number, since it is larger than the sum of its proper divisors (24593962).

30742430 is a wasteful number, since it uses less digits than its factorization.

30742430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3074250.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 30742430 is about 5544.5856472779. The cubic root of 30742430 is about 313.2656171255.

The spelling of 30742430 in words is "thirty million, seven hundred forty-two thousand, four hundred thirty".