30640126 has 8 divisors (see below), whose sum is σ = 50138424. Its totient is φ = 13927320.

The previous prime is 30640111. The next prime is 30640151. The reversal of 30640126 is 62104603.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 1392733 = 30640126 / (3 + 0 + 6 + 4 + 0 + 1 + 2 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 30640097 and 30640106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696345 + ... + 696388.

It is an arithmetic number, because the mean of its divisors is an integer number (6267303).

Almost surely, 2^30640126 is an apocalyptic number.

30640126 is a deficient number, since it is larger than the sum of its proper divisors (19498298).

30640126 is a wasteful number, since it uses less digits than its factorization.

30640126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392746.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 30640126 is about 5535.3523826402. The cubic root of 30640126 is about 312.9177380815.

Adding to 30640126 its reverse (62104603), we get a palindrome (92744729).

The spelling of 30640126 in words is "thirty million, six hundred forty thousand, one hundred twenty-six".