30725102 has 16 divisors (see below), whose sum is σ = 48282912. Its totient is φ = 14636160.

The previous prime is 30725099. The next prime is 30725111. The reversal of 30725102 is 20152703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11738 + ... + 14114.

It is an arithmetic number, because the mean of its divisors is an integer number (3017682).

Almost surely, 2^30725102 is an apocalyptic number.

30725102 is a deficient number, since it is larger than the sum of its proper divisors (17557810).

30725102 is a wasteful number, since it uses less digits than its factorization.

30725102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 30725102 is about 5543.0228215298. The cubic root of 30725102 is about 313.2067485757.

Adding to 30725102 its reverse (20152703), we get a palindrome (50877805).

The spelling of 30725102 in words is "thirty million, seven hundred twenty-five thousand, one hundred two".