30071796 has 12 divisors (see below), whose sum is σ = 70167552. Its totient is φ = 10023928.

The previous prime is 30071771. The next prime is 30071849. The reversal of 30071796 is 69717003.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1252980 + ... + 1253003.

It is an arithmetic number, because the mean of its divisors is an integer number (5847296).

Almost surely, 2^30071796 is an apocalyptic number.

It is an amenable number.

30071796 is an abundant number, since it is smaller than the sum of its proper divisors (40095756).

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

30071796 is a wasteful number, since it uses less digits than its factorization.

30071796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505990 (or 2505988 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 33.

The square root of 30071796 is about 5483.7757065730. The cubic root of 30071796 is about 310.9709274147.

Adding to 30071796 its reverse (69717003), we get a palindrome (99788799).

The spelling of 30071796 in words is "thirty million, seventy-one thousand, seven hundred ninety-six".