30700292 has 48 divisors (see below), whose sum is σ = 64146432. Its totient is φ = 12579840.

The previous prime is 30700291. The next prime is 30700297. The reversal of 30700292 is 29200703.

It is not an unprimeable number, because it can be changed into a prime (30700291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97928 + ... + 98240.

It is an arithmetic number, because the mean of its divisors is an integer number (1336384).

Almost surely, 2^30700292 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30700292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32073216).

30700292 is an abundant number, since it is smaller than the sum of its proper divisors (33446140).

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

30700292 is a wasteful number, since it uses less digits than its factorization.

30700292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 30700292 is about 5540.7844210003. The cubic root of 30700292 is about 313.1224228244.

Adding to 30700292 its reverse (29200703), we get a palindrome (59900995).

The spelling of 30700292 in words is "thirty million, seven hundred thousand, two hundred ninety-two".