30725076 has 24 divisors (see below), whose sum is σ = 72908640. Its totient is φ = 10067872.

The previous prime is 30725063. The next prime is 30725077. The reversal of 30725076 is 67052703.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30725077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20991 + ... + 22406.

It is an arithmetic number, because the mean of its divisors is an integer number (3037860).

Almost surely, 2^30725076 is an apocalyptic number.

It is an amenable number.

30725076 is an abundant number, since it is smaller than the sum of its proper divisors (42183564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30725076 is a wasteful number, since it uses less digits than its factorization.

30725076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43463 (or 43461 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 30725076 is about 5543.0204762386. The cubic root of 30725076 is about 313.2066602290.

Adding to 30725076 its reverse (67052703), we get a palindrome (97777779).

The spelling of 30725076 in words is "thirty million, seven hundred twenty-five thousand, seventy-six".