30625390 has 8 divisors (see below), whose sum is σ = 55125720. Its totient is φ = 12250152.

The previous prime is 30625379. The next prime is 30625457. The reversal of 30625390 is 9352603.

30625390 is nontrivially palindromic in base 12.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1531260 + ... + 1531279.

It is an arithmetic number, because the mean of its divisors is an integer number (6890715).

Almost surely, 2^30625390 is an apocalyptic number.

30625390 is a deficient number, since it is larger than the sum of its proper divisors (24500330).

30625390 is a wasteful number, since it uses less digits than its factorization.

30625390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3062546.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 30625390 is about 5534.0211419907. The cubic root of 30625390 is about 312.8675653634.

Adding to 30625390 its reverse (9352603), we get a palindrome (39977993).

The spelling of 30625390 in words is "thirty million, six hundred twenty-five thousand, three hundred ninety".