30725026 has 8 divisors (see below), whose sum is σ = 46209024. Its totient is φ = 15322020.

The previous prime is 30724997. The next prime is 30725047. The reversal of 30725026 is 62052703.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 19290 + ... + 20821.

It is an arithmetic number, because the mean of its divisors is an integer number (5776128).

Almost surely, 2^30725026 is an apocalyptic number.

30725026 is a deficient number, since it is larger than the sum of its proper divisors (15483998).

30725026 is a wasteful number, since it uses less digits than its factorization.

30725026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40496.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 30725026 is about 5543.0159660604. The cubic root of 30725026 is about 313.2064903315.

Adding to 30725026 its reverse (62052703), we get a palindrome (92777729).

The spelling of 30725026 in words is "thirty million, seven hundred twenty-five thousand, twenty-six".