30071652 has 24 divisors (see below), whose sum is σ = 75565056. Its totient is φ = 9252768.

The previous prime is 30071621. The next prime is 30071669. The reversal of 30071652 is 25617003.

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, 96228 + ... + 96539.

It is an arithmetic number, because the mean of its divisors is an integer number (3148544).

Almost surely, 2^30071652 is an apocalyptic number.

It is an amenable number.

30071652 is an abundant number, since it is smaller than the sum of its proper divisors (45493404).

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

30071652 is a wasteful number, since it uses less digits than its factorization.

30071652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192787 (or 192785 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 30071652 is about 5483.7625769174. The cubic root of 30071652 is about 310.9704310484.

Adding to 30071652 its reverse (25617003), we get a palindrome (55688655).

The spelling of 30071652 in words is "thirty million, seventy-one thousand, six hundred fifty-two".